Answer:
33
Step-by-step explanation:
easy
Answer:
solve the (10-7) first
Step-by-step explanation:
The student body President of a high school claims to know the names of at least 1000 of the 1800 students at the school. To test this claim, the Student Government Advisor randomly selects 100 students from the school and asks the President to name each one. The President is able to correctly name 46 of the students. What would be the 99% confidence interval for p in this case?
Answer:
The 99% confidence interval for p in this case is (0.3317, 0.5883).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which
z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].
Randomly selects 100 students from the school and asks the President to name each one. The President is able to correctly name 46 of the students.
This means that:
[tex]n = 100, \pi = \frac{46}{100} = 0.46[/tex]
99% confidence level
So [tex]\alpha = 0.01[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.01}{2} = 0.995[/tex], so [tex]Z = 2.575[/tex].
The lower limit of this interval is:
[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.46 - 2.575\sqrt{\frac{0.46*0.54}{100}} = 0.3317[/tex]
The upper limit of this interval is:
[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.46 + 2.575\sqrt{\frac{0.46*0.54}{100}} = 0.5883[/tex]
The 99% confidence interval for p in this case is (0.3317, 0.5883).
A grain of sand with a diameter of
0.06 millimeter has a mass of approximately
3.0 x 10-13 gram. How is the mass of a grain
of sand expressed using standard notation?
Answer:
Mathematics
College
A grain of sand with a diameter of what
Step-by-step explanation:
tmi,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
If the perimeter of A is 36ft and the perimeter of B is 48 ft, what is the perimeter of square C?
Answer:
64
Step-by-step explanation
48/36=4/3
36x4/3=48 so...
48x4/3=64
Answer:
64
Step-by-step explanation:
What are the two consecutive whole numbers that the quotient for 86/11 is between?
Answer:
7 and 8
Step-by-step explanation:
The quotient is the answer to a division problem.
86/11= 7.81818182
This number is in between 7 and 8
Determine whether the given answer is a Solution or Not a Solution
x<6 x=3
x≥10 x=10
x>−3 x=−6
x≤15 x=20
x<9 x=9
x≥8 x=12
Answer:
1- yes
2- yes
3- no
4- no
5- no
6- yes
Step-by-step explanation:
order the rational numbers from least to greatest. -3/4. -0.85. 0.55. 1/4. -0.9. -1/2
Answer:
-0.9, -0.85, -3/4, -1/2, 1/4, 0.55
Step-by-step explanation:
Answer:
-0/9 ,-1/2 ,-1/4 , 0.55, -0.85
Frankie factored the expression ls 14m + 21pm - 35mq as 7(2m + 3pm - 5mq) . She thinks she has factored out the greatest common factor because you cant factor out variables. Do you agree or disagree?Explain
Answer:
Disagree, as m is common to all terms of the expression and thus, can be factored. The factored expression is 7m(2 + 3p - 5q)
Step-by-step explanation:
If a variable is common to all terms of an expression, it can be factored.
14m + 21pm - 35mq
Here, m is common to all terms of the expression, so the factored expression is:
[tex]7m(\frac{14m}{7m} + \frac{21pm}{7m} - \frac{35mq}{7m}) = 7m(2 + 3p - 5q)[/tex]
Disagree, as m is common to all terms of the expression and thus, can be factored. The factored expression is 7m(2 + 3p - 5q)
Evaluate the function g(x) = -2x- + 3x - 5 for the input values -2, 0, and 3.
Answer:
g(-2)=3
g(0)=-5
g(3)=2
Step-by-step explanation:
g(-2)= -2(-2)+ 3(-2) - 5
4-6-5
2-5
g(-2)=3
g(0)= -2(0) + 3 (0)-5
0+0-5
g(0)=-5
g(3)= -2(3) + 3(3)-5
-6+9-5
3-5
g(3)=2
Answer: g(-2)=-7, g(0)=-5, g(3)=-2
Step-by-step explanation: g(x)=-2x+3x-5
g(-2)=-2(-2)+3(-2)-5=-7
g(0)=-2(0)+3(0)-5=-5
g(3)=-2(3)+3(3)-5=-2
what is 46 converted from ft and in
Answer:
552 inches
Step-by-step explanation:
Jake is 5 years older than his brother Kevin.
Kevin is k years old. Write an algebraic
expression for Jake's age.
Answer:
5+k
Step-by-step explanation:
its saying jake is 5 MORE then kevin so either add or multiply.
If a random ticket was selected, what would be the probability that the driver is a female and driving 10-20 mph over the limit?
Answer:
The answer is "0.18".
Step-by-step explanation:
Please find the complete question in the attached file.
We should always discover the chance of its driver becoming a female and driving between 10 and 20 minutes per hour:
[tex]\to P(female \cap \ 10- 20\ mph)[/tex]
Its result is so good that it would be women, plus 10-20 mph (it would also be 9 intersections), chosen from the 50 total drivers
So, probability required [tex]= \frac{9}{50} = 0.18[/tex]
write the fraction whole
diameter is 7 and numerator is 4
Answer:
[tex]\dfrac{4}{7}[/tex]
Step-by-step explanation:
A fraction can be written as :
[tex]F=\dfrac{x}{y}[/tex]
Where
x is numerator and y is denominator
We need to write a fraction for denominator 7 and numerator 4.
Substitute the values,
[tex]F=\dfrac{4}{7}[/tex]
Hence, the fraction is equal to [tex]\dfrac{4}{7}[/tex].
Mark is six years older than his brother Sam. The sum of their ages is 30. Let a be Sam's age. Set
up an equation using the information given.
Answer:
(m+6)+m=30
Step-by-step explanation:
A middle school took all of its 6th grade students on a field trip to see a ballet at a theater that has 3840 seats. The students left 2496 seats vacant. What percentage of the seats in the theater were filled by the 6th graders on the trip?
Answer:
35%
Step-by-step explanation:
Answer:
35%
Step-by-step explanation:
First, we must calculate how many seats are taken by 6th graders. We do this by subtracting the total seats by vacant seats. 3840-2496=1,334. Then, we must find the percent of students that were 6th grade who filled the seats. We do this by dividing all the chairs taken by the 6th graders and divide it by the total chairs which gets you .35. And with percentages, you move the decimal place two times to the right which gets you 35%.
if i earn 165 dollars in 20 hours how many would i make in 40 hourr
Answer:
330
Step-by-step explanation:
165 times 2 equals 312. This is because you're doubling the amount of money and hours.
A birthday cake is cut into 8 slices. The arc length of one piece is 8.0 inches. What is the diameter of the cake? Round to the nearest tenth.
Answer:
D =20 inches
Step-by-step explanation:
Given that,
A birthday cake is cut into 8 slices. The arc length of one piece is 8.0 inches.
We need to find the diameter of the cake.
The circumference of a circle is given by :
[tex]C=2\pi r[/tex]
ATQ,
[tex]\dfrac{1}{8}\times 2\pi r=8\\\\2r=\dfrac{64}{\pi}\\\\2r=20\ in[/tex]
Diameter, D = 2r
So, the diameter of the cake is equal to 20 inches.
Write an equation that you can use to solve for X.
Enter your answer in the box.
Pls help!!
Answer:
x+60=100
Step-by-step explanation:
the 100 degree angle is the same as the 60 degree and x added together.
115 degrees (5x-10degrees) what does x equal show your work
Answer: 21
Step-by-step explanation:
115-10=105
105/5=21
y = 2Vx+4
vertex:
domain:
range:
y-intercept:
x-intercept:
Answer:
y = 2vx+4
x= y/2v - 2/v
Domain (-infinite sign , infinite sign)
Range (-infinite sign , infinite sign)
vertex center (0,0)
vertices (2,0) , (-2,0)
Foci (6,0) , (-6,0)
Eccentricity 6/2
focal 6/3
Asymptotes : y=2x/2 , y=-x2/2
The area of the base is 56 square inches. Which of the following is the best estimate for the volume of the tent?
Answer:
what are the following??
Step-by-step explanation:
Answer:
sorry dont know
Step-by-step explanation:
1. Xian gets 95% of the Math test correctly which is 38. How many items does the test have?
Answer:
If the
an hold 16 ounces, how many ounces
________________________________
38 ÷ 95 × 100= 40There Is 40 Questions In Total________________________________
Answer:
40
[tex]38 \div 95 \times 100\%[/tex]
Can anyone help me with my homework
Answer:
code=CEDB
Step-by-step explanation:
1: (5,-5)-C
2: (-5,5)-E
3: (-2,0)-D
4: (0,-5)-B
Answer:
CODE: CEDB
1: (5,-5)-C
2: (-5,5)-E
3: (-2,0)-D
4: (0,-5)-B
Step-by-step explanation:
hope this helped! :)
have a great day!
Mario is paid a salary of $500 plus 8% of sales. Calculate his total income if his sales total $10,890 in the
current pay period.
Answer:
His total income is of $1,371.2.
Step-by-step explanation:
His salary is of $500, plus 8% of his sales.
In this question:
Sales of $10,890. So his salary is given by:
[tex]S = 500 + 0.08*10890 = 500 + 871.2 = 1371.2[/tex]
His total income is of $1,371.2.
4. A square has a perimeter of 28 units, an
ared of 49 units, and sides that are either
horizontal or vertical. The vertices are all
located in the same quadrant where the x
value is negative. What are the possible
coordinates of the square?
Answer:
7
Step-by-step explanation:
perimeter - 7+7+7+7=28
area - 7×7 = 49
it's a square so all sides are the same length.
area is length times width
perimeter is all sides added together.
Stacy is making cake pops and cupcakes. She needs 1/2 cup of oil for cake pops and 1.5 times as much oil for cupcakes. If Stacy has 2 1/2 cups of oil, how much will she have left over after she makes the cake pops and cupcakes?
PLS HELP I LITERALLY HAVE NO CLUE
help again lol read what i put before answering
Answer: 743
Step-by-step explanation:
It's simple, by using a calculator it's 743.
(5433/8 = 743)
Answer: 743
sorry, don’t have sketch pad!
Caleb is comparing the growth of plants using two different fertilizers
Part A use the measures of center from the box plots to make an inference about the data. Use the drop down menus to explain your answer
Part B use the box plots to make an inference using the variability of the data. Drag words to complete the statement. Words may be used once, more than once, or not at all.
Answer: Medians, Less
Part A
Use the measures of center from the box plots to make an inference about the data. Use the drop-down menus to explain your answer.
Based on the medians, the plants in Group A grew
less on average, as compared to the plants in Group B.
Part B Answer: Greater, Less
The range and IQR are greater
in Group B as compared to Group A, so there is less variability in the growth of plants in Group B.
Answer:
Answer: Medians, Less
Part A
Use the measures of center from the box plots to make an inference about the data. Use the drop-down menus to explain your answer.
Based on the medians, the plants in Group A grew
less on average, as compared to the plants in Group B.
Part B Answer: Greater, Less
The range and IQR are greater
in Group B as compared to Group A, so there is less variability in the growth of plants in Group B.
Step-by-step explanation:
Hi I need help pls
Due in 10 mins
Step-by-step explanation:
I'm sorry
i dont know this particular question
1/2 x 6 is it 6 1/2 or is it 3 1/2 or 2 or3
1/2 x 6 is the same as (1/2)*6
We multiply the fraction 1/2 by the whole number 6. We end up with 3.
If we had 6 slices of cake, and gave away half of that total, then we give away 3 slices.
Answer:
3
Step-by-step explanation:
Solve.
5) Solve 2y + 12 < 42.
Show your work.
The answer is y < 15
Answer:
y<15
Step-by-step explanation:
Subtract 12 from both sides.
2y+12−12<42−12
2y<30
Step 2: Divide both sides by 2.
2y
2
<
30
2
y<15
Answer:
y<15