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Body Mass Index of Young Men A set of examples in our textbook assumed that the body mass index BMI of all American young men

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Body Mass Index of Young Men A set of examples in our textbook assumed that the body mass index BMI of all American young men follows a Normal distribution with standard deviation o 11 6 kg m2 How large a sample would be needed to estimate the mean BMI u in this population to within 1 1 with 95 confidence 428 427 21 441

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