there were 11 students running a race. How many diffenert arrangments of first,second,and third place are possible?

Answers

Answer 1

Answer:

165

Step-by-step explanation:

there are 165 different arrangements of 1,2,3 place possible of the 11 students


Related Questions

Would a cup hold 250 liters of liquid or
250 milliliters of liquid? Explain.

Answers

Using order of magnitude the capacity a cup would hold would be 250 milliliters of liquid.

What is order of magnitude?

Order of magnitude is the relative size of a quantity

To determine if a cup would hold 250 liters of liquid or 250 milliliters of liquid, we need to determine the order of magnitude of the capacity of a cup.

We know that the order of magntude of the capacity of a cup is in the order milliliters since it is small and not in the order of magnitude of liters.

So, therefore, the capacity a cup would hold would be 250 milliliters of liquid.

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an electronics company is planning to introduce a new camera phone. the company commissions a marketing report for each new product that predicts either the success or the failure of the product. of new products introduced by the company, 60% have been successes. furthermore, 40% of their successful products were predicted to be successes, while 10% of failed products were predicted to be successes. find the probability that this new camera phone will be successful if its success has been predicted. (enter the value of the probability in decimal format and round the final answer to three decimal places.)

Answers

The probability that this new camera phone will be successful if its success has been predicted is approximately 0.857 or 85.7%.


To find the probability that the new camera phone will be successful given its success has been predicted, we can use the Bayes' theorem formula:

P(A|B) = (P(B|A) * P(A)) / P(B)

Here, let A be the event that the product is successful, and B be the event that the product is predicted to be successful. We are given the following probabilities:

P(A) = Probability of a product being successful = 0.60
P(B|A) = Probability of predicting success given the product is successful = 0.40

We also need to find P(B), the probability of predicting success. This can be calculated as:

P(B) = P(B|A) * P(A) + P(B|A') * P(A')

where A' is the event that the product is not successful (failure).

We are given:

P(A') = Probability of a product being not successful = 1 - P(A) = 0.40
P(B|A') = Probability of predicting success given the product is not successful = 0.10

Now, we can find P(B):

P(B) = (0.40 * 0.60) + (0.10 * 0.40) = 0.24 + 0.04 = 0.28

Now we can apply the Bayes' theorem formula:

P(A|B) = (P(B|A) * P(A)) / P(B)
P(A|B) = (0.40 * 0.60) / 0.28
P(A|B) = 0.24 / 0.28
P(A|B) = 0.8571 (rounded to four decimal places)

So, the probability that this new camera phone will be successful if its success has been predicted is approximately 0.857 or 85.7%.

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6.12 it is 9:00 p.m. the time until joe receives his next text message has an exponential distribution with mean 5 minutes. (a) find the probability that he will not receive a text in the next 10 minutes. (b) find the probability that the next text arrives between 9:07 and 9:10 p.m. (c) find the probability that a text arrives before 9:03 p.m. (d) a text has not arrived for 5 minutes. find the probability that none will arrive for 7 minutes.

Answers

So the probability that Joe will not receive a text in the next 10 minutes is approximately 0.865. So the probability that the next text arrives between 9:07 and 9:10 p.m. is approximately 0.149. So the probability that a text arrives before 9:03 p.m. is approximately 0.393. So the probability that no text will arrive for 7 minutes, given that no text has arrived for 5 minutes, is approximately 0.394.

(a) To find the probability that Joe will not receive a text in the next 10 minutes, we can use the cumulative distribution function (CDF) of the exponential distribution. The CDF gives the probability that the time until the next text is less than or equal to a given time t. The CDF of an exponential distribution with mean 5 minutes is:

[tex]F(t) = 1 - e^{(-t/5)}[/tex]

To find the probability that Joe will not receive a text in the next 10 minutes, we need to find F(10):

[tex]F(10) = 1 - e^{(-10/5)}[/tex]

[tex]= 1 - e^{(-2)}[/tex]

≈ 0.865

(b) To find the probability that the next text arrives between 9:07 and 9:10 p.m., we need to find the probability that the time until the next text is between 7 and 10 minutes. We can use the CDF again to find this probability:

P(7 < X < 10) = F(10) - F(7)

[tex]= (1 - e^{(-10/5)}) - (1 - e^{(-7/5)})[/tex]

[tex]= e^{(-7/5)} - e^{(-2)}[/tex]

≈ 0.149

(c) To find the probability that a text arrives before 9:03 p.m., we need to find the probability that the time until the next text is less than 3 minutes. We can use the CDF again to find this probability:

P(X < 3) = F(3)

[tex]= 1 - e^{(-3/5)}[/tex]

≈ 0.393

(d) To find the probability that no text will arrive for 7 minutes, given that no text has arrived for 5 minutes, we can use the memoryless property of the exponential distribution. The memoryless property states that the conditional distribution of the time until the next text, given that no text has arrived in the first 5 minutes, is the same as the original distribution. In other words, the fact that no text has arrived in the first 5 minutes does not affect the probability of a text arriving in the next 7 minutes.

Therefore, the probability that no text will arrive for 7 minutes, given that no text has arrived for 5 minutes, is the same as the probability that no text will arrive for 7 minutes starting from scratch. This is the probability that the time until the next text is greater than 7 minutes. Using the CDF of the exponential distribution, we can calculate:

P(X > 7) = 1 - F(7)

[tex]= 1 - (1 - e^{(-7/5)})[/tex]

= [tex]e^{(-7/5)}[/tex]

≈ 0.394

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TRAMPOLINE A gymnast jumped on a trampoline. The equation y=−16x2+58x
models the height of the gymnast y in feet after x seconds for one of the jumps. Approximately how long is the gymnast in the air? Round the answer to the nearest tenth.

Answers

The number of seconds that the gymnast is in the air will be 3.625 seconds.

Given that:

Equation, y = − 16x² + 58x

Where y represents the height of the gymnast (in feet) after x seconds for one of the jumps.

The number of seconds that the gymnast is in the air will be given as,

y = 0

− 16x² + 58x = 0

16x² − 58x = 0

2x(8x − 29) = 0

x = 0

8x - 29 = 0

x = 29/8 = 3.625 seconds

The number of seconds that the gymnast is in the air will be 3.625 seconds.

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What will be the default location of the click point of the cursor if no coordinates have been assigned to it?a. (x, 0)b. (0, 0)c. (0, y)d. (x, y)

Answers

However, in some cases, the default location of the click point may be set by default to the top-left corner of the screen or window, which would correspond to the coordinate (0, 0) in a Cartesian coordinate system.

If no coordinates have been assigned to the cursor, the default location of the click point will depend on the program or application being used. In most cases, the default location will be the center or starting position of the screen or window in which the program is running, which could be any location on the screen. Therefore, none of the options provided is necessarily correct.

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if two cards are drawn without replacement from a deck find the probability that the second one is a spade given the first one is a spade

Answers

The probability that the second card is a spade given the first one is a spade is 12/51.

To find the probability that the second card drawn is a spade given that the first one is a spade, we need to use conditional probability.

Let's first find the probability of drawing a spade on the first draw. Since there are 13 spades in a standard deck of 52 cards, the probability of drawing a spade on the first draw is 13/52 or 1/4.

Now, since we are drawing without replacement, there are only 51 cards left in the deck for the second draw and only 12 spades left. So, the probability of drawing a spade on the second draw given that the first one was a spade is 12/51.

Therefore, the probability that the second card is a spade given that the first one is a spade is 12/51 or approximately 0.235.

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the graph of ABC has coordinates A(-3,4) B(1,4) and C(3,1)
PART A: Graph ABC and its image after a reflection across the x-axis
PART B: Write the coordinates of the reflected image. Write your answers as integers.

Answers

The coordinates of the reflected triangle are A' = (-3, -4), B' = (1, -4) and C' = (3, -1)

Given that, the graph of ABC has coordinates A(-3,4) B(1,4) and C(3,1) which is reflected across the x-axis,

So,

The rule of the reflection across the x-axis is = (x, y) → (x, -y)

So, the coordinates of the reflected triangle will be,

A' = (-3, -4)

B' = (1, -4)

C' = (3, -1)

The graph is attached.

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Help me with this homework

Answers

The measure of the unknown angles are:

m ∠a = 155°

m ∠b = 25°

m ∠c = 155°

Calculating the measure of angles

From the question, we are to determine the measure of the unknown angles.

From the given information,

The unknown angles are ∠a, ∠b, and ∠c.

From the given diagram, we can write that

m ∠b + 155° = 180° (Sum of angles on a straight line)

Calculate the m ∠b

m ∠b + 155° = 180°

Subtract 155° from both sides of the equation

m ∠b + 155° - 155° = 180° - 155°

m ∠b = 25°

m ∠c = 155° (Corresponding interior angles)

m ∠a = 155° (Vertically opposite angles)

Hence, the values of the angles are:

m ∠a = 155°

m ∠b = 25°

m ∠c = 155°

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A 2 3/4-ounce chocolate candy bar contains 8 grams of fat per ounce. ABOUT how many grams of fat are contained in the whole bar?

a.) 8
b.) 16
c.) 24
d.) 32

Answers

To find the total grams of fat in the whole chocolate candy bar, first convert the weight of the candy bar to ounces:

2 3/4 ounces = 2.75 ounces

Next, multiply the weight of the candy bar by the amount of fat per ounce:

2.75 ounces * 8 grams of fat per ounce = 22 grams of fat

So, the whole chocolate candy bar contains ABOUT 22 grams of fat. The closest answer choice is:

c.) 24

a political candidate has asked you to conduct a poll to determine what percentage of people support her. if the candidate only wants a 4% margin of error at a 97.5% confidence level, what size of sample is needed?

Answers

To determine the required sample size for a political poll with a 4% margin of error and a 97.5% confidence level, a formula can be used. For this scenario, the sample size required would be approximately 862 respondents.

To calculate the sample size needed for a political poll with a 4% margin of error and a 97.5% confidence level, the following formula can be used:

n = (Z^2 * p * (1-p)) / E^2

Where:

n is the sample size

Z is the Z-score associated with the desired confidence level (in this case, it is 2.24)

p is the expected proportion of support for the candidate (this value is typically unknown, so a conservative estimate of 0.5 is often used to get the maximum sample size)

E is the margin of error

Plugging in the values for this scenario, we get:

n = (2.24^2 * 0.5 * (1-0.5)) / 0.04^2

n ≈ 862

Therefore, the required sample size for this political poll is approximately 862 respondents. This sample size would provide a margin of error of 4% at a 97.5% confidence level, meaning that there is a 97.5% chance that the true proportion of support for the candidate lies within the range of the survey results plus or minus the margin of error.

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PLEASE HELP I INCLUDED THE PROBLEM IN IMAGE I WROTE IT DOWN!!!

Answers

The solution to the inequality (g/20) ≤ 5 is given as follows:

B. g ≤ 100.

How to solve the inequality?

The inequality in the context of this problem is defined as follows:

(g/20) ≤ 5.

We solve the inequality similarly to an equality, isolating the desired variable. The difference is that we obtain a range with infinity values, instead of a single value as is the case for an equality.

The multiplication is the inverse operation of the division, hence the solution is given as follows:

g ≤ 20 x 5.

g ≤ 100.

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william borrows money to buy a 9000 car. the intrest rate on the loan 4.5%, compunded annuallly. the loan is for 3 yearshow much does william owe in total

Answers

William owes a total of $10,142.84.  To calculate this, we first need to determine the total interest paid over the 3-year period.

Using the formula A = P(1 + r/n)^(nt), where:
A = the final amount owed
P = the principal amount borrowed (in this case, $9000)
r = the interest rate (4.5%)
n = the number of times the interest is compounded per year (annually in this case)
t = the number of years (3 in this case)

We can plug in the values:
A = 9000(1 + 0.045/1)^(1*3)
A = 9000(1 + 0.045)^3
A = 9000(1.1412)
A = 10,270.88

This gives us the total amount owed after 3 years. But we only want to know the principal plus interest, so we subtract the original amount borrowed:

10,270.88 - 9000 = 1270.88

Therefore, William owes a total of $10,142.84 (rounded to the nearest cent).

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Just need this answer rq sorry lol I'm kinda slow

Answers

The value of the indicated angle is 128⁰.

What is the value of the indicated angle?

The value of the indicated angle is calculated applying intersecting chord theorem as shown below.

The tangent angle formed outside the circumference is equal to the angle formed by the intersection of the chords at the center.

Angle adjacent the indicated angle = 52⁰ (intersecting chord theorem)

The value of the indicated angle is calculated as follows;

52⁰ + ? = 180 ( sum of angles on a straight line )

? = 180 - 52⁰

? = 128⁰

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suppose that the number of hours that a computer hard drive can run before it conks off is exponentially distributed with an average value of 5 years. if sayan has had the laptop for three years and is now planning to go on a 8 month trip around the world with his laptop. what is the probability sayan can go on the trip without having to replace the hard drive during the trip? what can be said when the distribution is not exponential?

Answers

Therefore, the probability that Sayan can go on the trip without having to replace the hard drive during the trip is approximately 0.868.

Since the number of hours that a computer hard drive can run before it conks off is exponentially distributed with an average value of 5 years, we can use the following exponential probability density function:

f(x) = (1/μ) * exp(-x/μ)

where x is the number of hours, μ is the mean (or average) number of hours, and exp() is the exponential function.

In this case, μ = 5 years * 12 months/year = 60 months. We want to find the probability that the hard drive will not fail during an 8 month trip, given that it has already been in use for 3 years (or 36 months).

Let X be the number of months the hard drive lasts. Then, X is exponentially distributed with mean μ = 60 months. We want to find P(X > 8 + 36 | X > 36).

Using the memoryless property of the exponential distribution, we have:

P(X > 8 + 36 | X > 36) = P(X > 8)

= exp(-8/60)

≈ 0.868

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37. Perform the following binary multiplications, assuming unsigned integers: a) 1011 x 101

Answers

The answer is 11101 in binary, which is equivalent to the decimal number 29 using binary multiplication.

To perform binary multiplication, we use the same method as we do for decimal multiplication, but only with 0s and 1s.

So, to multiply 1011 and 101, we first write them down like this:

   1011
 x  101
 ------
 
Now we start with the rightmost digit of the second number (1), and multiply it with every digit of the first number, one by one, starting from the right:

   1 0 1 1
 x 1 0 1
 ------
   1 0 1 1
 0 0 0 0
 1 0 1 1
-------------

The first row represents the multiplication of the last digit of the second number (1) with every digit of the first number. The second row represents the multiplication of the second last digit of the second number (0) with every digit of the first number, and so on.

Now we add up all the rows, taking care to align them properly:

   1 0 1 1
 x 1 0 1
 ------
   1 0 1 1
 0 0 0 0
 1 0 1 1
-------------
 1 1 1 0 1

So the answer is 11101 in binary, which is equivalent to the decimal number 29.

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Five balls, A, B, C, D, and E, weigh 30g, 50g, 50g, 50g, and 80g each. Which ball weighs 30g?

Answers

Ball A weighs 30g, as stated in the problem

We have,

The problem states that there are five balls, labeled A, B, C, D, and E, and provides their respective weights:

A weighs 30g, B weighs 50g, C weighs 50g, D weighs 50g, and E weighs 80g.

There is only one ball that weighs 30g in this problem, which is ball A.

The other balls weigh different amounts - ball B, C, and D all weigh 50g, and ball E weighs 80g.

It is possible that the question is asking which ball does not weigh 30g, in which case the answer would be any of the balls except for ball A.

However, based on the wording of the original question, it specifically asks which ball weighs 30g, making ball A the correct answer.

Therefore,

The ball that weighs 30g is Ball A.

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Demand factors shifts as occurred in 2007-2008 would cause the world food demand curve to:
A. Shift from the starting demand curve to outward
B. Shift from the starting demand curve to inward

Answers

Shift from the starting demand curve to inward.

If there was a demand factor shift that increased the world food demand in 2007-2008, then the world food demand curve would shift outward, to the right of the original demand curve. This means that at any given price, the quantity of food demanded would be higher than before the shift.

This is because an increase in demand factors, such as population growth or changes in consumer preferences, would cause consumers to demand more food at each price level. As a result, the entire demand curve would shift to the right, indicating a higher quantity demanded at every price level.

On the other hand, if there was a demand factor shift that decreased the world food demand, then the demand curve would shift inward, to the left of the original demand curve. This would indicate a lower quantity demanded at every price level.

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What is the solution set for x2+6x−16=0 ?

Answers

Answer:

2, -8

Step-by-step explanation:

The solution set for an equation is all of the values that make the equation true.

Factoring

One way to solve many quadratic equations, especially those with a leading coefficient of 1, is factoring. Remember that quadratic functions are written in the form of ax² + bx + c. This means that the b-value is 6 and the c-value is -16.

In order to factor the equation above, we need to find 2 factors that add to b and multiply to c. In this case, these 2 factors are -2 and 8. Now, plug these values into the form (x+A) * (x+B) = 0.

(x-2)(x+8) = 0

Now it is easy to see that if x = 2, then the equation will be true.

(2-2)(2+8) = 00 * -6 = 0

Additionally, if x = -8, then the equation will be true. The factored form of the quadratic lets us easily see that the solution set is 2 and -8.

Solution Sets

The solution set to an equation is the values that make the equation true. Since this equation is a quadratic set equal to zero, the solution set is also the zeros of the function. Zeros are points where the function crosses the x-axis (aka where y = 0). For quadratics, there can be 0, 1, or 2 real solutions. In this case, the function crosses the x-axis in 2 separate locations, so the solution set has 2 answers.

Which two points will you move between if you move 3 units left and 4 units down? A coordinate plane with x-axis from zero to ten and y-axis from zero to ten. Axes intersect at zero. Point D is located two units right and one unit up from the origin, point C is located three units right and nine units up from the origin, point E is located six units right and six units up from the origin, point A is located eight units right and three units up from the origin, point B is located nine units right and ten units up from the origin. Point A to Point E Point B to Point C Point B to Point E Point E to Point B

Answers

Point E to point B and point B to Point E matches will you move between if you move 3 units left and 4 units down

How to find the point

To determine which two points you will move between if you move 3 units left and 4 units down, first let's look at the coordinates of each point:

Point A: (8, 3)

Point B: (9, 10)

Point C: (3, 9)

Point D: (2, 1)

Point E: (6, 6)

Now, let's move 3 units left and 4 units down for each point and find the new coordinates:

Point A: (8 - 3, 3 - 4) = (5, -1)

Point B: (9 - 3, 10 - 4) = (6, 6)

Point C: (3 - 3, 9 - 4) = (0, 5)

Point D: (2 - 3, 1 - 4) = (-1, -3)

Point E: (6 - 3, 6 - 4) = (3, 2)

We are to match the points movement

Point A to Point E: (5, -1) to (3, 2) - No match

Point B to Point C: (6, 6) to (0, 5) - No match

Point B to Point E: (6, 6) to (3, 2) - This matches the movement between Point B and Point E

Point E to Point B: (3, 2) to (6, 6) - This matches the movement between Point E and Point B

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16 small tortillas have been cut from the square sheet of dough. The circumference of each small tortilla is 7.85 in. How many small tortillas can be made from the leftover dough. Show your thinking

Answers

23 tortillas can be made from the remaining dough.

If 16 small tortillas have been cut from a square sheet of dough with a side length of 14 inches, then the area of the initial sheet of dough is:

Area of initial sheet of dough = (side length)² = 14² = 196 square inches

The circumference of each small tortilla is given as 7.85 inches. We can use the formula for the circumference of a circle to find its radius "r":

Circumference = 2πr

7.85 = 2πr

r = 7.85 / (2π) ≈ 1.25 inches

The area of each small tortilla is given by:

Area of each small tortilla = πr^2 ≈ 4.91 square inches

The total area of 16 small tortillas is:

The total area of 16 small tortillas = 16 × Area of each small tortilla ≈ 78.57 square inches

Therefore, the area of the leftover dough is:

Area of leftover dough = Area of an initial sheet of dough - Total area of 16 small tortillas

= 196 - 78.57

≈ 117.43 square inches

Number of small tortillas that can be made from the leftover dough ≈ Area of leftover dough / Area of each small tortilla

≈ 117.43 / 4.91

≈ 23.93

Since we can only make whole tortillas, we can make a maximum of 23 small tortillas from the leftover dough.

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Complete question:

16 small tortillas have been cut from the square sheet of dough. The circumference of each small tortilla is 7.85 in. How many small tortillas can be made from the leftover dough?  while the side of the dough is 14. Show your thinking

help pls its math



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Answers

volume (v) = 105

volume (v) = 105

volume (v) = 105 formula to find volume

volume (v) = 105 formula to find volumevolume= v

volume (v) = 105 formula to find volumevolume= vlength = l

volume (v) = 105 formula to find volumevolume= vlength = lwidth = w

volume (v) = 105 formula to find volumevolume= vlength = lwidth = w v = l x w x h

volume (v) = 105 formula to find volumevolume= vlength = lwidth = w v = l x w x hv = 5 x 3 x 7

volume (v) = 105 formula to find volumevolume= vlength = lwidth = w v = l x w x hv = 5 x 3 x 7v = 15 x 7

v = 105

Is my answer right or wrong click to see file

Answers

yes your answer is right

At a particular restaurant, 52% of all customers order an appetizer and 32% of all customers order dessert. If 27% of all customers order both an appetizer and dessert, what is the probability a randomly selected customer orders an appetizer or dessert or both?

Write your answer as a decimal (not as a percentage).

Answers

The probability that a randomly selected customer orders an appetizer or dessert or both is 0.57 or 57%.

What is the probability?

The probability a randomly selected customer orders an appetizer or dessert or both is determined using the formula for the probability of the union of two events:

P(A or B) = P(A) + P(B) - P(A and B)

where:

A is the event of ordering an appetizerB   is the event of ordering a dessert,

Data given:

P(A) = 0.52,

P(B) = 0.32,

P(A and B) = 0.27.

Solving for P(A or B):

P(A or B) = 0.52 + 0.32 - 0.27

P(A or B) = 0.57

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Huron Lakes Candies (HLC) has developed a new candy bar called Java Cup that is a milk chocolate cup with a coffee-cream center. In order to assess the market potential of Java Cup, HLC has developed a taste test and follow-up survey. Respondents were asked to taste Java Cup and then rate Java Cup’s taste, texture, creaminess of filling, sweetness, and depth of the chocolate flavor of the cup on a 100-point scale. The taste test and survey were administered to 217 randomly selected adult consumers. Data collected from each respondent are provided in the file JavaCup.
Are there any missing values in HLC’s survey data? If so, identify the respondents for which data are missing and which values are missing for each of these respondents.
Are there any values in HLC’s survey data that appear to be erroneous? If so, identify the respondents for which data appear to be erroneous and which values appear to be erroneous for each of these respondents.

Answers

To identify missing values, you can check if there are any responses with blank or incomplete answers in the survey data.

These responses may indicate that the corresponding data is missing. Alternatively, you can use software tools such as Excel or statistical packages like R or Python to automatically identify missing values.

To identify erroneous values, you can check if there are any responses that are outside the expected range of values or seem to be unlikely or illogical. For example, if the survey asks respondents to rate the taste of the candy on a scale of 1-10, a response of 100 would be considered erroneous. Similarly, if a respondent rates the texture of the candy as "very bad" but also rates the creaminess of filling as "very good", this may indicate an error.

Once you have identified missing or erroneous values, you can decide how to handle them. For missing values, you can either exclude the corresponding responses from the analysis or use imputation techniques to estimate the missing values based on other available data. For erroneous values, you may need to contact the respondents to clarify their responses or exclude the corresponding responses from the analysis.

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A bag contains 4 red marbles, 7 blue marbles and 8 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest 10th of a percent, that both marbles drawn will be green? Plss help..

Answers

The solution is : the probability, to the nearest 10th of a percent, that both marbles drawn will be green will be 0.053.

Here, we have,

n(r) = 7

n(b) = 8

n ( g) = 5

Total number of marbles = 20

The probability that both marbles drawn will be green will be

The probability of the first being green = 5/20 and the probability that the second marble is green = 4/19.

We will multiply the two together , we have

5/20 x 4/19

= 20/380

= 0.05263157895

Therefore : the probability, to the nearest 10th of a percent, that both marbles drawn will be green will be 0.053

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find an equation of the tangent line to the curve at the given point. y = sec(x), (π/3, 2)

Answers

To find the equation of the tangent line to the curve y = sec(x) at the point (π/3, 2), we need to take the derivative of y with respect to x.



The derivative of sec(x) is sec(x)tan(x), so at x = π/3, we have: y' = sec(π/3)tan(π/3) = 2√3/3, Now we can use the point-slope form of a line to find the equation of the tangent line: y - y1 = m(x - x1)

where (x1, y1) is the point we're given (in this case, (π/3, 2)) and m is the slope of the tangent line (in this case, 2√3/3).

Plugging in the values, we get:

y - 2 = (2√3/3)(x - π/3)

Simplifying, we get:

y = (2√3/3)x + 2 - 2√3

So the equation of the tangent line to the curve y = sec(x) at the point (π/3, 2) is y = (2√3/3)x + 2 - 2√3.
To find the equation of the tangent line to the curve y = sec(x) at the point (π/3, 2), we need to follow these steps:

Step 1: Find the derivative of the function
The derivative of y = sec(x) is:
y' = sec(x)tan(x)

Step 2: Evaluate the derivative at the given point
At the point (π/3, 2), we can find the value of the derivative:
y'(π/3) = sec(π/3)tan(π/3) = 2*(√3/2) = √3

Step 3: Use the point-slope form of a linear equation
The point-slope form of a linear equation is:
y - y1 = m(x - x1)

Plug in the given point (π/3, 2) and the slope from Step 2 (√3):
y - 2 = √3(x - π/3)

Step 4: Simplify the equation
y - 2 = √3x - π√3/3
y = √3x - π√3/3 + 2

The equation of the tangent line to the curve y = sec(x) at the point (π/3, 2) is y = √3x - π√3/3 + 2.

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Please hurry I need it ASAP

Answers

The distance between the points (2, 3) and (-1, -4) is equal to √58 units.

How to determine the distance between the coordinates for each points?

In Mathematics and Geometry, the distance between two (2) end points that are on a coordinate plane can be calculated by using the following mathematical equation:

Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]

Where:

x and y represent the data points (coordinates) on a cartesian coordinate.

By substituting the given end points into the distance formula, we have the following;

Distance = √[(-1 - 2)² + (-4 - 3)²]

Distance = √[(-3)² + (-7)²]

Distance = √[9 + 49]

Distance = √58 units.

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State whether the variable is discrete or continuous: The cost of a Statistics book.* discrete continuous both neither 3 statistics professors and 7 chemistry professors are available to be advisors to a student organization. The student organization needs two of the professors to be advisors, what is the probability that both professors are chemistry professors? * 0.111 0.233 O 0.1 0.467

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The probability that both professors are chemistry professors is 0.467.

The cost of a Statistics book is a continuous variable because it can take any value within a given range, including decimals, and is not limited to specific, separate values.

For the probability question, there are 10 professors in total (3 statistics + 7 chemistry), and the organization needs 2 advisors. The probability of choosing two chemistry professors can be calculated using the formula: P(Chemistry) = (Number of Chemistry professors) / (Total Number of professors).

First, find the probability of selecting a chemistry professor for the first advisor:
P(First Chemistry) = 7/10.

Next, find the probability of selecting a chemistry professor for the second advisor, considering one chemistry professor has already been selected:
P(Second Chemistry) = 6/9.

Now, multiply both probabilities together to get the probability of selecting two chemistry professors:
P(Both Chemistry) = P(First Chemistry) × P(Second Chemistry) = (7/10) × (6/9) = 0.467.

So, the probability that both professors are chemistry professors is 0.467.

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there are 2510 computer science students at a school. of these, 1876 have taken a course in java, 999 have taken a course in linux, and 345 have taken a course in c. further, 876 have taken courses in both java and linux, 231 have taken courses in both linux and c, and 290 have taken courses in both java and c. if 189 of these students have taken courses in linux, java, and c, how many of these 2510 students have not taken a course in any of these three programming languages?

Answers

Therefore, 698 of the 2510 students have not taken a course in any of these three programming languages using principle of inclusion-exclusion.

We can solve this problem using the principle of inclusion-exclusion. First, we add up the number of students who have taken at least one course:

n(J or L or C) = n(J) + n(L) + n(C) - n(J and L) - n(L and C) - n(J and C) + n(J and L and C)

n(J or L or C) = 1876 + 999 + 345 - 876 - 231 - 290 + 189

n(J or L or C) = 1812

So there are 1812 students who have taken at least one course. Therefore, the number of students who have not taken any of these courses is:

n(not J and not L and not C) = 2510 - n(J or L or C)

n(not J and not L and not C) = 2510 - 1812

n(not J and not L and not C) = 698

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Answer these questions?​

Answers

The dimensions of this rectangle are 6 units by 7 units.

The coordinates of the new point is (3, -3).

The length of the line segment with end points A and B is 7 units.

The length of the line segment with end points C and D is 11 units.

How to determine the dimensions of this rectangle?

In order to determine the dimensions of this rectangle, we would use the distance formula. In Mathematics, the distance between two (2) points that are on a coordinate plane can be calculated by using this formula:

Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]

Distance AB = √[(5 + 1)² + (4 - 4)²]

Distance AB = √[36 + 0]

Distance AB = 6 units

For the width, we have:

Distance AC = √[(-1 + 1)² + (4 + 3)²]

Distance AC = √[0 + 49]

Distance AC = 7 units.

In Mathematics and Geometry, a reflection over the x-axis is modeled by this transformation rule;

(x, y)            →      (-x, y)

New point = (-3, -3) →  (3, -3).

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Complete Question:

The coordinates of the vertices of a rectangle are (-1, 4), (5, 4), (5, -3), and (-1, -3). What are the dimensions of this rectangle?

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