Unit 10 Test Review

Match the following

• Probability of A OR B

• P(B ∣ A)

• Probability of A

• Probability of B GIVEN A

• P(A)

• Probability of A GIVEN B

• P(A ∣ B)

• Probability of A AND B

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.

• 0.17 or 17%

• What is the sample space

• 0.50 or 50%

• P(Comic Theme and Park)

• 18

• P(Safari Theme)

• 0.33 or 33%

• P(Safari Theme and Saturday)

• 0.11 or 11%

• P(Skating Rink)

Answer explanation

Tags

CCSS.7.SP.C.8B

Match the following events with the corresponding sample space

• 4

• 
• 6

• 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.

• 9

• 
• 18

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

• 12

• 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

• venn diagram

• The set of all possible outcomes of a probability experiment

• sample space

• 
• two way table

• 
• probability statement

• 
• tree diagram

• 

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

Match the following:

• P(soccer⋃pet owner)

• How many people choose soccer as favorite sport

• P(soccer∩ Pet Owner)

• P(soccer)

• 85

• P(Pet Owner)

Answer explanation

Tags

CCSS.HSS.CP.A.1

Complete the Venn Diagram

a

b

c

d

36

28

48

116

200

88

Answer explanation

Tags

CCSS.HSS.CP.A.1

Label the tree diagram

a

b

c

d

e

f

g

90

3

7

43

47

100

50

10

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