General Addition Rule and Venn Diagrams

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A

• B

• A'

• B'

How many senior boys play football but do not wrestle?

• 26

• 8

• 104

• 16

What is P(A or B | C)?

• 5/8

• 5/16

• 4/5

• 11/16

Identify the shaded area...

• A ∩ B

• A ∪ B

• A^c ∩ B^c

• A^c ∪ B^c

What is P(Foreign language | Sport)? (Remember to reduce the fraction!)

• 14/27

• 7/12

• 23/47

• 37/47

What is P(not B | A or C)?

• 3/7

• 4/9

• 13/21

• 8/21

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'