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Problem 5. The U.S. Bureau of Labor Statistics reported that, as of 1981, approximately 21% of the adult population under age 65 was between 18 and 24 years of age, 28% was between 25 and 34, 19% was betwe enn 35 and 44, and 32% was between 45 and 64. In 1982, an automobile manufacturer wanted to obtain opinions on a new design from five randomly chosen adults from the under-65 group of adults. Of the five people selected, find the approximate probability that two were between 18 and 24, two were between 25 and 44, and one was between 45 and 64. (a) 0.0031 (b) 0.3 c0.1671 d) 0.0935 (e) 0.56

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Soltion The cosseer epn is (a) 0.0031 Enylanativn ble knau tat PC18-to-24.)-0.24 .P(25-to-44 ) 2 0.28 + 0.49 : O·47 P (45-to 64 0-32 Nou lle between 1g and S4,ん。as e 15 and 4宀, 0.0031. tHence cvvec optim s(a) 0 0021.

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