Question
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
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 | 36 | 35 | 6 | 77 |
Total | 76 | 57 | 16 | 149 |
(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?
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