A group of people were surveyed about how many times they go to the grocery store in a week as well as how they get there (drive a car or walk). The results are shown in the following contingency table. (Round your answers to 3 decimal places, if needed.) 1 time 2 times 3 or more times Total Car 44 21 13 78 Walk 35 30 9 74 Total 79 51 22 152 a) What is the probability that a randomly selected person goes to the grocery story 2 times a week? b) What is the probability that a randomly selected person walks to the grocery store and goes to the grocery store once a week? c) What is the probability that a randomly selected person goes to the grocery store at least 2 times a week, given they drive a car to the grocery store?
A group of people were surveyed about how many times they go to the grocery store in a week as well as how they get there (drive a car or walk). The results are shown in the following contingency table. (Round your answers to 3 decimal places, if needed.) 1 time 2 times 3 or more times Total Car 44 21 13 78 Walk 35 30 9 74 Total 79 51 22 152 a) What is the probability that a randomly selected person goes to the grocery story 2 times a week? b) What is the probability that a randomly selected person walks to the grocery store and goes to the grocery store once a week? c) What is the probability that a randomly selected person goes to the grocery store at least 2 times a week, given they drive a car to the grocery store?
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...
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Transcribed Image Text:A group of people were surveyed about how many times they go to the grocery store in a week as well
as how they get there (drive a car or walk). The results are shown in the following contingency table.
(Round your answers to 3 decimal places, if needed.)
1 time 2 times 3 or more times Total
Car
44
21
13
78
Walk 35
30
9
74
Total 79
51
22
152
a) What is the probability that a randomly selected person goes to the grocery story 2 times a week?
b) What is the probability that a randomly selected person walks to the grocery store and goes to the
grocery store once a week?
c) What is the probability that a randomly selected person goes to the grocery store at least 2 times a
week, given they drive a car to the grocery store?
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