Question: Use the given information to find the minimum sample size required to estimate an unknown population mean . How many students must be randomly selected

Use the given information to find the minimum sample size required to estimate an unknown population mean .

How many students must be randomly selected to estimate the mean weekly earnings of students at one college? We want 95% confidence that the sample mean is within $2of the population mean, and the population standard deviation is known to be $60.

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