How many daily rainfall amounts in Boston must be randomly selected to estimate the mean daily rainfall
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How many daily rainfall amounts in Boston must be randomly selected to estimate the mean daily rainfall amount? We want 99% confidence that the sample mean is within 0.010 in. of the population mean, and the population standard deviation is known to be 0.212 in.
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A sample size of n271 is required to estimate the population mean to within 0010 inches wit...View the full answer
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