A survey was conducted to determine the preferred way for people to order fast f
ID: 3220037 • Letter: A
Question
A survey was conducted to determine the preferred way for people to order fast food. 100 males and 100 females completed the survey and the results are summarized in the following table.
DINING PREFERENCE
GENDER
Dine Inside
Order inside to go
Order drive through
Total
Male
21
18
56
Female
15
11
79
Total
A person is randomly selected from this group. Answer the questions that follow. Give your answer in fraction form (on the first blank line) and in decimal form (on the second blank line). (Find the totals first)
a. What is the probability that the person is a male?
_________________ __________________
b. What is the probability that the person prefers ordering at the drive through?
_________________ __________________
c. What is the probability that the person is a female AND prefers ordering inside to go?
_________________ __________________
d. What is the probability that the person is a female OR prefers dining in?
_________________ __________________
e. What is the probability that the person prefers ordering at the drive through given that the person is a male?
_________________ __________________
f. What is the probability that the person is a male given that the person prefers ordering at the drive through?
_________________ __________________
DINING PREFERENCE
GENDER
Dine Inside
Order inside to go
Order drive through
Total
Male
21
18
56
Female
15
11
79
Total
Explanation / Answer
from above:
a) probability that the person is a male =95/200=0.475
b)probability that the person prefers ordering at the drive through=135/200=0.675
c)probability that the person is a female AND prefers ordering inside to go=11/200=0.055
d)probability that the person is a female OR prefers dining in =(105+21)/200 =0.63
e)probability that the person prefers ordering at the drive through given that the person is a male=56/95=0.5895
f)probability that the person is a male given that the person prefers ordering at the drive through=56/135 =0.4148
GENDER Dine Inside Order inside to go Order drive through Total Male 21 18 56 95 Female 15 11 79 105 total 36 29 135 200Related Questions
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