Intro to Probability Venn Diagrams

If a student is picked at random, what is the probability that they play football only?

• ⁶⁶/₈₀

• ⁴/₈₀

• ¹⁸/₈₀

• ⁴⁹/₈₀

How many students do not snowboard?

• 21

• 22

• 28

• 29

The venn diagram shows which sports are played by a class of students.

How many students are in the class?

• 20

• 25

• 30

• 35

The venn diagram shows which sports are played by a class of students.

How many students are taking tennis?

• 6

• 11

• 25

• 30

The venn diagram shows the number of people in a group of friends who have brown hair and green eyes.

What is the probability of a friend having green eyes?

• 3

• 1

• 2

• 3/11

The venn diagram shows the number of students in chorus, band, and/or orchestra.

How many students are in chorus, band, and orchestra?

• 5

• 9

• 24

• 15

Find the probability of getting a 4 sided shapes.

What is the probability that you will get plain crust with ham on your pizza?

• 1/8

• 1/₂

• 1/₁₀

• 2/₁₀

What is the intersection of sets A and B?

A ⋂ B = ______

• 1, 2, 3, 4. 5

• 1, 2

• 3, 4, 6, 8

• 3, 4

What does this symbol ( ∩ )?

• Union

• Intersection

• Disjointed

• Subset