Question
Problem 4.4 Let X be the number of smokers in a family composed of a husband and wife. X is a random variable which takes
Problem 4.4 Let X be the number of smokers in a family composed of a husband and wife. X is a random variable which takes the values 0, 1, 2, with respective probabilities p0, p1, p2. The average number of smokers per family is 0.63. 40% of families contain at least one smoker. Find the probabilities p0, p1 and p2.
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Introduction To Probability And Statistics
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
14th Edition
9781133103752
