Unit 10 Test Review

Match the following

• Probability of A GIVEN B

• P(B ∣ A)

• Probability of A

• P(A ∣ B)

• Probability of A OR B

• Probability of A AND B

• Probability of B GIVEN A

• P(A)

Answer explanation

1. Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering. He can't decide, so he is going let his little sister decide. What is the probability of her choosing the following? Match.

• 0.11 or 11%

• P(Safari Theme and Saturday)

• 0.50 or 50%

• P(Comic Theme and Park)

• 0.17 or 17%

• P(Safari Theme)

• 18

• P(Skating Rink)

• 0.33 or 33%

• What is the sample space

Answer explanation

Tags

CCSS.7.SP.C.8B

Match the following events with the corresponding sample space

• 18

• Diego chooses rock, paper, or scissors, and Jada chooses rock, paper, or scissors

• 9

• 
• 4

• 
• 12

• Han’s closet has:

  a blue shirt, a gray shirt,

  blue pants, khaki pants. He must select one shirt and one pair of pants to wear for the day.

• 6

• Lin selects one type of lettuce and one dressing to make a salad.

  • Lettuce types: iceberg, romaine

  • Dressings: ranch, Italian, French

Answer explanation

Tags

CCSS.7.SP.C.8B

Match the following

• probability statement

• 
• two way table

• 
• venn diagram

• 
• sample space

• The set of all possible outcomes of a probability experiment

• tree diagram

• 

People were asked about their favorite sport and whether they owned a pet. The diagram shows the results.

Match the following:

• P(Pet Owner)

• How many people choose soccer as favorite sport

• P(soccer⋃pet owner)

• 85

• P(soccer)

• P(soccer∩ Pet Owner)

Answer explanation

Tags

CCSS.HSS.CP.A.1

Complete the Venn Diagram

a

b

c

d

28

48

88

200

36

116

Answer explanation

Tags

CCSS.HSS.CP.A.1

Label the tree diagram

a

b

c

d

e

f

g

90

3

50

47

100

43

10

7

Answer explanation

What is the probability of the spinner landing on an odd number?

• 4/8
• 4/4
• 1/4
• 1/3

Tags

CCSS.7.SP.C.7A

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

• 1/3

• 1/6

• 1/2

• 2/3

Answer explanation

sample space:

1, 2, 3, 4, 5, 6

1 & 2 are the only options that are less than 3

so 2/6 or 1/3 would be the probability

Tags

CCSS.7.SP.C.7A

A regular 6-sided die is rolled twice. What is the probability that a 5 is rolled both times?

• 1/36

• 1/6

• 1/2

• 2/3