What is the preferred way for people to order fast food? A survey was conducted in 2009, but the sample sizes were not reported. Suppose the results, based on a sample of 100 males and 100 females, were as follows:

Dining Preference

Dine inside

Male21

Female 12

Total 33

Order inside to go

Male19

Female10

Total29

Order at the drive-through

Male60

Female 78

Total 138

Totals

Male 100

Female 100

Total 200

Source: pearsoned.com

If a respondent is selected at random, what is the probability that he or she:

a.prefers to order at the drive-through?

b.is a maleandprefers to order at the drive-through?

c.is a maleorprefers to order at the drive-through?

d.please explain the difference in the results in (b) and (c).