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We want to estimate the mean salary in Minnesota. a. How many jobs must be randomly selected for their respective mean salaries if we want

We want to estimate the mean salary in Minnesota.

a. How many jobs must be randomly selected for their respective mean salaries if we want 95% confidence that the sample mean is within $150 of the population mean and = $1400.

Show your calculations using Excel functions in the area to the right of this text box and answer the problem with explanations below.

CV (z)

sigma

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