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An organization and methods technician wants to estimate the percentage of use of the company's photocopier. Out of 400 observations, she obtained: Equipment is

An organization and methods technician wants to estimate the percentage of use of the company's photocopier. Out of 400 observations, she obtained: Equipment is in use 325 times Equipment is not in use 75 times What should be the sample size so that the margin of error does not exceed 2% at the 99% confidence level for the use of the company copier?

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