A group of people were surveyed about how many times they go to the grocery store in a week. 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 Male 40 22 10 72 Female 40 32 10 82 Total 80 54 20 154 (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 is female 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 times a week, given he is a male?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A group of people were surveyed about how many times they go to the grocery store in a week. 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
Male
40
22
10
72
Female 40
32
10
82
Total 80 54
20
154
(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 is female 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 he is a male?
Check
Transcribed Image Text:A group of people were surveyed about how many times they go to the grocery store in a week. 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 Male 40 22 10 72 Female 40 32 10 82 Total 80 54 20 154 (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 is female 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 he is a male? Check
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