AP Probability

What is the probability that the person picked will be a boy given they speak german? 

• .7273

• .4

• .16

• .22

What is the probability that a female is chose given they like a Toyota? 

• .525

• .4627

• .6774

• .3143

Find P( Female | Part-time) =

• 15/31

• 43/71

• 31/43

• 15/43

Given P(A) = .8 and P( B| A) = .3, find P( A and B).

• 2.6

• .12

• .24

• .38

Is this a probability distribution?

• No

• Yes

• A

• B

• C

• D

• E

Is this a probability distribution?

• No, the sum of p(x) does not equal 1.

• Yes, all p(x) are between 0 and 1.

• No, all p(x) are not between 0 and 1.

• Yes, the sum p(x) is 1.

If A and B are mutually exclusive, which statement below must be true?

• P(A∩B) = 0

• P(A|B) = 0

• P(A∪B) = 0

• P(A) + P(B) = 1

What is the probability that a randomly selected student plays sports given that they do not do community service?

What is the probability that a student plays sports given that they do community service?