The manager of a grocery store has taken a random sample of 100 customers. The average length of tim
Question: The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3.0 minutes. It is known that the standard deviation of the check-out time is one minute.
The 95% confidence interval for the true average check-out time is
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Deliverables: Word Document
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