John has a bag of red and blue marbles. John chooses 2 marbles without replacing the first. Let A be the event where the first marble chosen
is red. Let B be the event where the second marble chosen is blue.
Answers
The conditional probability of an event depends on the occurrence of another event. The correct option is C.
What is Bayes' Theorem?The conditional probability of an event depending on the occurrence of another event is equal to the likelihood of the second event given the first event multiplied by the probability of the first event, according to Bayes' Theorem.
Suppose that there are two events A and B. Then suppose the conditional probability is:
P(A|B) = probability of occurrence of A given B has already occurred.
P(B|A) = probability of occurrence of B given A has already occurred.
Then, according to Bayes' theorem, we have:
[tex]\rm P(A|B) = \dfrac{P(B|A)P(A)}{P(B)}[/tex]
(assuming the P(B) is not 0)
Given John has a bag of red and blue marbles. John chooses 2 marbles without replacing the first. Let A be the event where the first marble chosen
is red. Let B be the event where the second marble chosen is blue. Therefore, the Probability P(B|A)=0.6 is described as the probability of choosing a blue marble after a red marble has been removed is 0.6.
Hence, the correct option is C.
Learn more about Bayes' Theorem:
https://brainly.com/question/17010130
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Related Questions
Find the product of two monomials: 4ab X - 5ab
Answers
-20a to the second power and b to the second power in case you did not know what the ^ Meant
Answer:
-20a^2b^2
Step-by-step explanation:
4ab * -5ab we see the qu asks to multiply a negative with a positive
so we automatically know it will be a negative. and we know monomials become squared.
4 x -5 = -20
ab x ab = a^2 b^2
As a full sum.
4ab * -5ab = -20a^2 b^2
PLEASE HELP MEEEEEEEEE
Answers
Answer:
B
Step-by-step explanation:
The chances of the first student walking to school is 7/30.
Without replacement, there are 29 students left. Hence the chance of the second student walking to school is 6/29 of the original 7/30 chance.
[tex](\frac{7}{30} )(\frac{6}{29} )=\frac{7}{145}[/tex]
Last month you swam the 50-meter freestyle in 28.38 seconds. Today you swam it in 27.33 seconds. What is your percent of change? Round to the tenths if necessary.
Please Answer fast!
Answers
PLEASE ANSWER I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS GOOD PLEASE
Answers
Answer:
Down 9, right 4
Hope this helps :)
Answer:
The answer is up 9, left 4.
Step-by-step explanation:
The answer is up 9, left 4 because if you start at the bottom B go up 9 and then go left 4 you will be at the top B, and its the same for A and C also.
The eggs of birds and other animals come in many different shapes and sizes. Eggs often have a shape that is nearly spherical. When this is true, you can use the formula for a sphere to find their volume. The green turtle lays eggs that are approximately spherical with an average diameter of 2.9 centimeters. Each turtle lays an average of 116 eggs at one time. Find the volume of one egg, rounding your answer to the nearest tenth of a cubic centimeter. Then find the total volume of these eggs, to the nearest tenth of a cubic centimeter.
Answers
Answer:
Step-by-step explanation:
Do you offer elementary math questions?
Answer:
113
Step-by-step explanation:
Cn somebody answer this, please? if it's write I will give the brainliest!
Answers
Answer:
4 times
Step-by-step explanation:
take the first two rows, the numbers are 3 & 12. 3×4= 12. 1×4= 4.
WILL MARK BRAINLIEST HELP
Answers
Answer:
72 square unitsStep-by-step explanation:
First let's find the area of the middle rectangle.
We know the width of this rectangle is 6 and the length is 8 so we will multiply these two numbers.
6 × 8 = 48
Now let's find the area of the triangles
The formula is ((length × width) ÷ 2)
The width is 3, as it is not part of the rectangle, and the length is 8
And there are two triangles so we will do this twice
((8 × 3) ÷ 2) = 12
((8 × 3) ÷ 2) = 12
Now add up all of the areas
48 + 12 + 12 = 72
So 72 is our final answer
1/2 • 8 • 3 = 12 • 2 = 24 (because there’s 2 triangles)
And now we solve the rectangle:
6•8= 48
Now we add up the areas:
48+24= 72
72 squared units.
(PLEASE HELP) I need help on the left overs
Answers
PLEASE HELP ME WITH THIS PROBLEM ASAP!!
Answers
Answer: it is answer 2 4 batches
Step-by-step explanation:
Skejekekekekekeke
Please answer this question asap!!!!!!!!1
Answers
Answer:
i think its 2400 square metres
Step-by-step explanation:
Answer:
3656.64 m^2 to nearest hundredth.
Step-by-step explanation:
Area = area of rectangle + area of a circle
The radius of the circle = 1/2 * 40 = 20.
Area = 40*60 + π*20^2
= 3656.64 m^2.
PLEASE HELP THIS IS LATE AND I MIGHT GET A ZERO. IF I DO I GET A BAD GRADE AND MY MOM WILL HOMESCHOOL ME!!!!
Answers
Five times a number decreased by 7 is less than thirty-three. Write and solve an inequality.
Answers
(And the solution should be x<8)
x<8
Step-by-step explanation:
5x-7<33
5x<33+7
5x<40
5x÷5<40÷5
x<8
Please help ASAP (Middle School) (Probability)
Answers
Answer:
1/8
Step-by-step explanation:
Hi how your day going if it good and you have time then help me please
Answers
Answer:
My day is going good so far
Anyways, the answer is 7 21/25
Step-by-step explanation:
4 + 8/5 + 8/5 + 16/25 =
4 + 16/5 + 16/25 =
4 + 80/25 + 16/25 =
4 + 96/25 =
4 + 3 + 21/25 =
7 + 21/25 =
7 21/25
Answer:
7 21/25
Step-by-step explanation:
just add the numbers on the side for each side then multiply them and then convert
im not completely sure but i hope it helps :)
Jake drew the sketch below of a kite that he wants to make.
Answers
Answer:
A. 1/2 (20 x 50) + 1/2 (20 x 10), 2 (1/2 x 20 x 50) + 2(1/2 x 20 x 10)
B. 100
Step-by-step explanation:
how has the object been rotated around the origin. how do the new ordered pair's relate to the original ordered pairs
Answers
Answer:
1: 90 degrees counter clockwise/ :I cant see number two that well so im sorry
Step-by-step explanation:
its simple
Find the area of a trapezium ABCD in which AB || CD, AB = 14 cm, CD = 8 cm. Given
that AB = 23 cm, CD = 7 cm and AD = 17 cm.
Answers
The area of a trapezium ABCD in which AB || CD, AB = 14 cm, CD = 8 cm. Given
that AB = 23 cm, CD = 7 cm and AD = 17 cm.
Answer:
The area of a trapezium ABCD given the measure of sides is determined by the following equation: A = 1/2 (AD + BC) * h, where h is the height of the trapezium. Using the given information, the area can be calculated as A = 1/2 * (14 + 8) * (23/2) = 200 cm^2.
Michelle delivers books to school libraries. Her truck has a slide out ramp for unloading the books. The top of the ramp is 3 feet above the ground. The ramp itself is 5.2 feet long. What is the horizontal distance the ramp reaches?
Answers
Answer: 3.0044
Step-by-step explanation: You would square the ramp length (hypotenuse) and then divide it by the square of 3
Kirsten buys a puzzle collection for $27.83. She pays with one $20 bill and two $5 bills. Using the least number of coins and bills, what is Kirsten's change? Drag numbers to complete the table. Numbers may be used once, more than once, or not at all.
Answers
Answer:
Step-by-step explanation:
So the total she pays is 30 dollars (20+5+5). The puzzle amount was 27.83. Subtract 27.83 from 30 dollars to get her change.
$2.17
Therefore, you could use a 2-dollar bill (or 2 1-dollar bills), a dime (10 cents), 1 nickel (5 cents), and two pennies (1 cent each). This will amount to the total change.
PLEASE HELP!!!!!
A place mat includes a border of a fixed width around the place mat. The total area of the place mat to include the border is represented by the expression (4+2x)(6+2x).
What does the variable x represent?
• the width of the border
• the width of the place mat, including the border
• the width of the place mat only
• the area of the place mat only
Answers
The variable x represent the width of the border. Option A is correct.
What is the area?The space filled by a flat form or the surface of an item is known as the area.
The number of unit squares that cover the surface of a closed-form is the figure's area. Square centimeters is the unit of the area.
The total area of the place mat to include the border is represented by the expression;
(4+2x)(6+2x).
Total area = Surface area+inner area
Hence, option A is correct. The variable x represent the width of the border.
To learn more about the area, refer to the link;
https://brainly.com/question/11952845
#SPJ2
Tickets to a school musical cost $7.25. The amount received from ticket sales is $833.75. How many tickets were sold?
Answers
Answer: 115
Divide 833.75 by 7.25
you have to divide :))
can someone help me please
Answers
Answer:
indo, neurot... wutan, inial... oohq, teral.
Step-by-step explanation:
chero nzira iyo yekudyidzana yemavergae yebenzi nyowani ysatem rakasiyana zvachose pane iyi nyowani portgo nzira.
help please i’m begging
Answers
Answer:
Y=-128
Step-by-step explanation:
Y=-200-6(-12)
Y=-200+72
+200
200+y=72
-200
Y=-128
Please Help :( Due tomorrow 5/21
1. Point A is on a number line halfway between -20 and -4. Point B is halfway between point A and 0. What integer is represented by point B?
2. Nine Celsius temperatures are recorded in a lab. The middle temperature is 0°C. What is the maximum number of temperatures that could be represented by negative numbers?
Answers
Answer:
1. point A is -8 and 0 is -4
Step-by-step explanation:
Find the mean of the following numbers:
8, 21, 10, 6, 7, 20
A.10
B.12
C.13
D.15
Answers
Add all the numbers up and divide by how many numbers there are.
8+21+10+6+7+20=72
72/6=12
Therefore, the answer is B, 12.
Answer:
B is the answer:)
Step-by-step explanation:
8 + 21+10+6+7+20= 72
72÷6= 12
im really sorry for asking so many questions its just my only way of getting these assignments done on time plus their due tomorrow so i didn't know what to do.
Answers
Answer: 3.84 m
Step-by-step explanation: The biggest clue here is that the scale factor is 1:12.
1:12=32:[tex]x[/tex]
To find [tex]x[/tex], multiply 32 by 12. 32x12 is 384. You can't say the answer is 384, however, since the label for the actual water tower says "m" for meters instead of "cm" like for the model. 384 cm is equal to 3.84 m.
Hope this helped! ;)
Let's say that xy=z. If zx=y, what would x, y, and z equal?
Answers
Answer:
[tex]x = 1[/tex]
[tex]y=z[/tex]
Step-by-step explanation:
[tex]xy = z\\zx = y[/tex]
Substitute [tex]z[/tex] and [tex]y[/tex] back into the equations.
[tex]xyx =y\\x^2y=y\\x^2=1\\x=\sqrt{1} = 1[/tex]
[tex]z(1) = y\\z=y[/tex]
We cannot find [tex]z[/tex] and [tex]y[/tex] as we don't have enough information.
A piece of land is in the shape of a rectangle. What is the ratio of the length to the width? length is 81 ft and width is 72ft
8/7
7/8
9/8
8/9
Answers
Answer:
C : 9/8
Step-by-step explanation:
you do 81 divided by 72 which comes out as 1.125 which when you turn into a fraction its 9/8
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PLEASE ANSWER ASAP
Abby lives in a home worth $115,000. She has a loan of $98,000 and has a credit card balance of $2,300. She has a car that is worth 5,800. She also has a bank account with a balance of $900 and $300 in gift cards. What is Abby's net worth?
Please have step by step!!!
Answers
Answer:
$21,700
Step-by-step explanation:
$115,000 - 98,000
$115,000 - 98,000 = 17000
Credit Card Balance = Money owed
17000 - 2300
17000 - 2300 = 14700
Cars worth = +
14700 + 5800
14700 + 5800 = 20500
Bank Acc = +
20500 + 900
20500 + 900 = 21400
Gift Cards = +
21400 + 300 = 21700
I hope this helps <3Sorry if i'm late T-THave a great day :DAfter remodeling the circular deck, the Museum Board Members decided to also build a
circular fence around the existing playground for safety reasons. The diameter of the
entire circular fence is 102.8 feet, while the radius of the playground is 37.3 feet.
Determine the difference in areas of the two regions. Show your work and justify your
reasoning.
Answers
9514 1404 393
Answer:
3929 square feet
Step-by-step explanation:
The radius of the fence circle is half its diameter, so is 51.4 feet. The area of a circle is given by the formula ...
A = πr^2
The difference in areas of the two regions is found by subtracting the smaller area from the larger one. So, the difference in area between the fenced area of radius 51.4 feet and the playground area of radius 37.3 feet is ...
∆A = π(51.4^2 -37.3^2) = 1250.67π ≈ 3929 . . . square feet