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MM 18 4 F A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she

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MM 18 4 F A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 99% confident that her estimate is within 2 ounces of the true mean? Assume that s = 7 ounces based on earlier studies. 0 9 O 10 82 O 81 P9 87 10

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