Conditional Probability Review

Students at Red Bank High School took a survey about their interests. The Venn diagram to the left shows the results of students who like ice skating, skiing, and snowboarding. How many total students took the survey?

• 32
• 47
• 53
• 56

Tags

CCSS.HSS.CP.A.1

According to the Venn diagram, how many students do not snowboard?

• 21
• 22
• 28
• 29

Tags

CCSS.HSS.CP.A.1

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they play Hockey and Rugby?

• ³⁶/₈₀

• ⁵/₈₀

• ⁴¹/₈₀

• ⁴⁴/₈₀

The diagram shows the sports played by 80 students.

If a student is picked at random, what is the probability that they don't play any of the three sports?

• ⁷⁹/₈₀

• ¹/₈₀

• ⁷⁴/₈₀

• ⁶/₈₀

Tags

CCSS.HSS.CP.A.1

How many senior boys play football or wrestle?

• 9
• 21
• 30
• 39

Tags

CCSS.HSS.CP.A.1

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Tags

CCSS.HSS.CP.A.1

Identify the shaded area...

• A

• B

• A'

• B'

Tags

CCSS.HSS.CP.A.1

How many senior boys play football AND wrestle?

• 9

• 12

• 18

• 39

Tags

CCSS.HSS.CP.A.1

What is the intersection of sets A and B?

A ⋂ B = ______

• 1, 2, 3, 4. 5

• 1, 2

• 3, 4, 6, 8

• 3, 4

Tags

CCSS.HSS.CP.A.1

What is the probability of spinning the fair 8-sided spinner and landing on the 7?

• impossible - 0 / 8

• 1 / 2

• 1 / 8

• 7 / 8

Tags

CCSS.7.SP.C.5