Use the given information to find the minimum sample size required to estimate an unknown population mean ?. How many business students must be randomly selected to estimate the mean monthly earnings of business students at one college? We want 95% confidence that the sample mean is within $128 of the population mean, and the population standard deviation is known to be $536. 68 8 67 9
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Step 1:** Calculate the margin of error using the formula: Margin of Error = Critical Value * (Standard Deviation / sqrt(sample size)) ** Show more…
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