AP Statistics Probability Review

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

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

• .7273
• .4
• .16
• .22

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CCSS.HSS.CP.A.3

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CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

When picking two cards from a pack (replacing the card and shuffling after the first pick) the two outcomes are:

• Dependent

• Independent

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CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.8

CCSS.HSS.CP.A.4

CCSS.HSS.CP.A.2

If you are picking a card randomly from a deck of cards, the events of picking a spade and picking a diamond are mutually exclusive.

• True

• False

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CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

In an AP Statistics class, 57% of students eat breakfast in the morning, 80% of them floss their teeth, and 46% of the students do both.  What is the probability that a randomly chosen student eats breakfast or flosses their teeth?

• 91%
• 9%
• 11%
• 34%

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CCSS.HSS.CP.B.7

Five juniors and four seniors have applied for two open student council positions, and administrators have decided to pick two new members randomly.  What is the probability that they are both from the same grade?

• .395
• .444
• .506
• .569

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CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.9

According to the National Telecommunication and Information Administration, 50.5% of U.S. households had internet access in 2001.  What is the probability that four randomly selected U.S. all had internet access in 2001?

• 6.5%
• 12.6%
• 49.5%
• 50.5%

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CCSS.HSS.CP.B.8

If you buy one ticket in the Provincial Lottery, then the probability that you will win a prize is 0.11. If you buy one ticket each month for five months, what is the probability that you will win at least one prize?

• .55
• .50
• .44
• .45

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CCSS.HSS.CP.B.7

CCSS.HSS.CP.B.9

There are 10 red marbles and 8 green marbles in a jar. If you take three marbles from the jar (without replacement), the probability that they are all red is: 

• 0.069
• 0.088
• 0.147
• 0.171

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CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

Suppose 30% of cereal boxes contain a picture of LeBron James, 20% a picture of Steph Curry, and 50% a picture of Ben Simmons.  Which of the following digit assignments correctly models this situation?

• Let 1 = LeBron James; Let 2 = Steph Curry; Let 3 = Ben Simmons
• Let 0-3 = LeBron James; Let 4-5 = Steph Curry; Let 6-9 = Ben Simmons
• Let 1-3 = LeBron James; Let 4-5 = Steph Curry; Let 6-9 = Ben Simmons
• Let 0-2 = LeBron James; Let 3-4 = Steph Curry; Let 5-9 = Ben Simmons

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