Womens Heights Womens heights are normally distributed with a mean of 63.6 in. and a standard deviation

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Women’s Heights Women’s heights are normally distributed with a mean of 63.6 in.

and a standard deviation of 2.5 in. How many women must be surveyed if we want to estimate the percentage who are taller than 5 ft? Assume that we want 98% confidence that the error is no more than 2.5 percentage points. (Hint: The answer is substantially smaller than 2172.)

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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