Who smokes Th e question Do you smoke was asked of a
Chapter 7, Problem 7.83(choose chapter or problem)
Who smokes? Th e question Do you smoke? was asked of a random sample of 100 people. Results are shown in the table below. Suppose we select one of these people at random. Smoke? Gender Yes No Total Male 19 41 60 Female 12 28 40 Total 31 69 100 (a) Whats the probability that the person smokes? (b) Given that the person is male, whats the probability that the person smokes? (c) Are the two events smokes and is male independent? Why or why not?
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