Mathematics, 21.04.2020 22:21, raekwon12
He monthly credit card debts for individual accounts are normally distributed with a standarddeviation of 61 dollars. A researcher wishes to estimate the mean monthly credit card debt for allindividual accounts. Find the sample size needed to assure with 95% confidence that the samplemean will not differ from the population mean by more than 2 units.
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He monthly credit card debts for individual accounts are normally distributed with a standarddeviati...
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