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:

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 male and prefers to order at the drive-through?
c. is a male or prefers to order at the drive-through?
d. Explain the difference in the results in (b) and (c).

Transcribed Image Text:

GENDER DINING PREFERENCE Dine inside Order inside to go Order at the Male Female Total 21 19 12 10 29 drive-through Total 60 100 78 100 138 200