Blood Types: The following table is an approximate summary of the blood types for 100 typical people. For example, a person with type O+ blood actually has Group O and Type Rh⁺ blood.

Type	Group
	O	A	B	AB
Type Rh+	40	33	10	2
Type Rh-	6	7	1	1

If one person is randomly selected from this group, what is the probability of the following? Enter your probabilities as decimals.

5(a) selecting a person who is Group O or type Rh⁺

P(Group O or Type Rh⁺) =

5(b) selecting a person who is Group A or Group B

P(Group A or Group B) =