Mathematics, 08.04.2021 18:10 mfin11
The monthly credit card debts for individual accounts are normally distributed with a standard deviation of 61 dollars. A researcher wishes to estimate the mean monthly credit card debt for all individual accounts. Find the sample size needed to ensure with 95% confidence that the sample mean will not differ from the population mean by more than 2 units.
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The monthly credit card debts for individual accounts are normally distributed with a standard devia...
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