Question

Asked Jan 3, 2020

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How large a sample should be selected to provide a 95% confidence interval with a margin of error of 6? Assume that the population standard deviation is 50. Rou d your answer to the next whole number.

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Step 1

Given data

Standard deviation = 50

Confidence interval = 0.95

Significance level(α) = 1- 0.95 = 0...

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