General Addition Rule and Venn Diagrams

What statement does the shaded region represent?

• A or B

• A and B

• A

• B

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

How many students do not snowboard?

• 21

• 22

• 28

• 29

Identify the shaded area...

• A'∩B

• A∩B'

• A∪B'

• A'∪B

Identify the shaded area...

• A'∩B

• A∩B'

• A∪B'

• A'∪B

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

• ⁷⁵/₈₀

• ⁸/₈₀

• ¹³/₈₀

• ⁴⁴/₈₀

The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play Rugby or Hockey but not Football?

• ⁷⁵/₈₀

• ⁸/₈₀

• ¹³/₈₀

• 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 Rugby?

• ²⁴/₈₀

• ⁷⁷/₈₀

• ²³/₈₀

• ¹⁷/₈₀

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 Football?

• ¹⁴/₈₀

• ¹³/₈₀

• ⁷⁶/₈₀

• ⁷⁵/₈₀

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

How many students are in the orchestra?

• 16

• 21

• 31

• 36