What does P(B/A) represent?
What does P(B/A) represent? - 1

Answers

Answer 1
Answer:

Answer:

Choice D

Step-by-step explanation:

probability of B given A

given you win the first race, you win the second race


Answer 2
Answer:

Answer:  The correct option is

(D) The probability that you win the second race given that you win the first race.

Step-by-step explanation:  We are given the following two events :

A : You win the first race

B : You win the second race.

We are given to select the statement that represents P(B\A).

We know that

for any two events R and Q, the probability P(Q\R) represents the probability of happening of event Q given that the event R has already happened.

Therefore, for the given two events A and B,

the probability P(B\A) represents the probability that you win the second race given that you win the first race.  

Thus, (D) is the correct option.


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Factor this expression: 12 + 20

Answers

Answer:

12 + 20 = 4 × (3 + 5)

Step-by-step explanation:

12 = 4 × 3

20 = 4 × 5

12 + 20 = 4 × 3 + 4 × 5 = 4 × (3 + 5)

Please help.
18 POINTS

Answers

Hey!

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Answer: A

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Explanation: The mean is when you add all the numbers and divide it by how many numbers their are. Since the graph is skewed it's best that we take the mean of the data set instead of the median. The 3 points on the ten point are outliers.

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Hope This Helped! Good Luck!

A. Mean, because the data is skewed and there are outliers.

As part of a school contest, Sarah and Luis are playing a math game. Sarah must pick a number between 1 and 50 and Luis clues so he can write an equation to find her number. Sarah says, " if I subtract 5 from my number, multiply that equality by 4, and then add 7 to the result, I get 35." What equation can Luis write based on Sarah's clues and what is Sarah's number?

Answers

For the unknown number when I subtract 5 from my number, multiply that equality by 4 and then add 7 to the result, I get 35 is 12.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Let the unknown number be 'n' if I subtract 5 from my number, multiply that equality by 4, and then add 7 to the result, I get 35.

∴ 4(n - 5) + 7 = 35.

4n - 20 + 7 = 35.

4n = 48.

n = 48/4.

n = 12.

learn more about numerical expressions here :

brainly.com/question/29199574

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If x is Sarahs number then
(x-5)×4+7=35
subtract 7 from both sides
4(x-5)=28
divide by 4 on both sides
x-5=7
add 5 to both sides
x=12

Ishmail wants to build a long train track. If each piece if track is 6 inches long and he has 42 pieces can he make a track that is 20 feet long

Answers

6 x 42 = 252 inches 

252 inches = 21 feet

Yes, he can.

Answer:

Yes

Explanation:

Each piece is 6 inches, and if you do 6*42, it is 252. 252/12 because to change it into feet is 21. 21 is greater than 20.

0.92 is ten times as much as 9.2 and one tenth of

Answers

Actually, 9.2 is ten times as much as 0.92- so the first part of the statement is incorrect: 0.92 is ten times less than 9.2.

What is 0.92 one tenth of?

we calculate this like this:

0.92=0.1x//multiply both sides by 10:

9.2 =x

so0.92 is one tenth of 9.2

Answer:

Step-by-step explanation:

A train travels 524 miles in 4, 1/2 hours. Which expression gives the train's speed in miles per hour?

Answers

The expression that gives the train's speed in miles per hour is:

Speed = 524 / 4.5 = 116.44 miles per hour.

To find the train's speed in miles per hour, you can use the formula:

Speed (in miles per hour) = Distance (in miles) / Time (in hours)

In this case, the distance the train travels is 524 miles, and the time it takes is 4 1/2 hours. To convert 4 1/2 hours into a decimal, you can calculate it as follows:

4 1/2 hours = 4 + 1/2 = 4.5 hours

Now, you can use the formula to calculate the speed:

Speed (in miles per hour) = 524 miles / 4.5 hours

Speed (in miles per hour) = 116.44 miles per hour (rounded to two decimal places)

So, the expression that gives the train's speed in miles per hour is:

Speed = 524 / 4.5 = 116.44 miles per hour

To Learn more about Distance here:

brainly.com/question/26550516

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524/4.5=116.6666 and so on. So D is going to be the total distance and T is going to be the total time and M is going to be the MPH.

D/T=M