A sales representative has 798 accounts.She wants to take a random sample to determine the mean amount of yearly sales for these accounts.From past research,she knows that the population standard deviation is approximately $37,000.How large a sample should she take in order to estimate the population mean within $10,000 at a 99% level of confidence?

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The Answer of A sales representative has 798 accounts.She wants to take a random sample to determine the mean amount of yearly sales for these accounts.From past research,she knows that the population standard deviation is approximately $37,000.How large a sample should she take in order to estimate the population mean within $10,000 at a 99% level of confidence?

A Sales Representative Has 798 Accounts