An economist wants to estimate the mean income for teh

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An economist wants to estimate the mean income for teh first year work for a college graduate who has had the profound wisdom to take a statistics course. How many such incomes must be found if we want to be 95% confident that the sample mean is within $500 of the true population mean? Assume that a previous study has revealed that for such incomes, =$6250

Reference no: EM13634180

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