AP Statistics Probability Review

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

Consider the following table with information about all of the students taking Statistics at Happy High School.

Find P( Female | Part-time) =

• 15/31

• 43/71

• 31/43

• 15/43

P(Shorts and Shoes):

• 1/6
• 6/16
• 22/16
• 6/22

P(Freshman or Pizza):

• 27/50
• 4/50
• 3/50
• 2/11

What is P(Foreign language | Sport)?

• 14/27
• 7/12
• 23/47
• 37/47

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

• 2.6

• .12

• .24

• .38

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

If A and B are independent, which statement must be true?

• P(A∩B) = 0

• P(A|B) = P(A)

• P(A∪B) = 0

• P(A) + P(B) = 1

When flipping a coin once, the possible outcomes (heads or tails) are:

• Independent

• Mutually exclusive