5.1-5.2 Probability Review

A jar contains 4 white chips, 5 purple chips, and 1 black chip. 3 Chips are selected randomly one at a time, and are not replaced.

Find the P(white and purple and black)

• 1/36

• 2/39

• 5/41

• 6/43

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 5 strawberry and the rest are lemon. What is the approximate probability of drawing a lemon?

• 11%

• 10%

• 30%

• 15%

Tags

CCSS.7.SP.C.7B

In a deck of cards, what is the probability of drawing a Queen or drawing a King?

• 2/13

• 8/13

• 1/13

• 4/13

Tags

CCSS.HSS.CP.B.7

P(A) = .4

P(B) = .55

P(A and B) = .3

Find P(AUB)

• 0.65

• 0.95

• 0.3

• 0.62

Tags

CCSS.HSS.CP.B.7

P(A) = .49

Find the complement of P(A).

• 1

• 0.49

• 0.51

• 0

At a particular school with 200 male students, 58 play football, 40 play basketball, and 8 play both. What is the probability that a randomly selected male student plays neither sport?

• 49/100

• 9/20

• 51/100

• 11/20

Tags

CCSS.HSS.CP.B.7

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.

Find the P(both marbles are purple)

• 2/9

• 1/3

• 1/2

• 1/4

In a Math 2 class of 28 students (9th and 10th graders),

16 students are females,

11 students are 10th graders and

8 students are 9th grade males.

What is the probability that a student chosen randomly from the class is a male or 9th grader? Leave answer in simplest fraction form.

Tags

CCSS.HSS.CP.B.7

Which events are mutually exclusive?

• Getting an A in Math or an A in English

• Picking a Freshman or a Sophomore

• Rolling a 2 or a prime number

• Having high cholesterol or normal cholesterol

Tags

CCSS.HSS.CP.A.1

A fruit basket contains

9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Keely randomly chooses a fruit, does not replace it, then chooses another. What is the probably that she choses at least one pear? Write your answer in simplest fraction form.