Probability from Venn Diagrams

What statement does the shaded region represent?

• P(A or B)

• P(A and B)

• P(A)

• P(B)

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

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

A randomly selected group of students were asked if they like singing or painting. The Venn diagram represents the results. What is the probability that a randomly selected person does not like painting?

• 0.32

• 0.13

• 0.19

• 0.71

A randomly selected group of students were asked if they like cats or dogs. The results are shown in the Venn diagram. If a student was randomly selected, what is the probability they like cats or they like dogs?

• 0.23

• 0.56

• 0.73

• 0.9

Identify the shaded area...

• A

• B

• not A

• not B

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

What does this symbol ( ∩ )?

• Union

• Intersection

• Disjointed

• Subset