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Probability that the husband and the wife smoke

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You are interested in studying the relationship between cigarette-smoking habits in married couples. Suppose that the probability of the wife being a smoker is 0.4 whereas the probability of the husband being a smoker is 0.5. Also, suppose that if the husband is a smoker, then the probability that the wife is a smoker is 0.6; whereas if the husband is not a smoker, then the probability that the wife is a smoker is 0.2. Use these data to answer the questions below.

a. What is the probability that the husband and the wife smoke?

b. What is the probability that the husband smokes and the wife does not smoke?

Reference no: EM132852728

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