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18. * The following table gives the probabilities that a person browsing in a book store will buy 0, 1, 2, 3, or 4 books

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18. * The following table gives the probabilities that a person browsing in a book store will buy 0, 1, 2, 3, or 4 books in Table 3.21. (SHOW YOUR WORK also known as write out the formula you used to calculate your answer). Books 0 2 3 Probability 0.40 0.30 0.15 0.10 0.05 Table 3.21 Book Buys Source: Fred Hulme How many books can a person browsing in the book store be expected to buy

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