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Determine the smallest sample size required to estimate the population mean under the given specifications in parts a through d below. a. e =

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Determine the smallest sample size required to estimate the population mean under the given specifications in parts a through d below. a. e = 2.6, confidence level = 80%, data between 80 and 160 The smallest sample size required to estimate the population mean is (Round up to the nearest whole number as needed.)

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