Math Solutions

(See Solution) Sick Days An insurance company is trying to estimate the average number of sick days that full-time food service workers use per year. A

Question: Sick Days An insurance company is trying to estimate the average number of sick days that full-time food service workers use per year. A pilot study found the standard deviation to be 2.5 days. How large a sample must be selected if the company wants to be 95% confident of getting an interval that contains the true mean with a maximum error of 1 day?

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