Conditional Probability Venn Diagrams

Calculate P(L∪S)

• 7/25

• 47/50

• 7/12

• 14/37

Calculate P(S|L)

• 7/25

• 47/50

• 7/12

• 14/37

Identify the shaded area...

• A

• B

• A'

• B'

What is P(Foreign language | Sport)?

• 14/27

• 7/12

• 23/47

• 37/47

What is P(not Sport | not Foreign Language)?

• 23/26

• 14/23

• 3/13

• 7/13

How many senior boys play football and wrestle?

• 9

• 12

• 18

• 39

How many senior boys play football or wrestle?

• 9

• 21

• 30

• 39

What statement does the shaded region represent?

• A or B

• Not B

• Not A

• Not A or B

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

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

• 21

• 22

• 28

• 29