Question
A financial analyst would like to construct a 95% confidence interval for the mean earnings of a company. The company's earnings have a standard deviation
A financial analyst would like to construct a 95% confidence interval for the mean earnings of a company. The company's earnings have a standard deviation of $12 million. What is the minimum sample size required by the analyst if he wants to restrict the margin of error to $2 million?
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
10th edition
470458364, 470458365, 978-0470458365
