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A designer wants to determine the average amount of time it takes a person to assemble a piece of furniture. A sample of 36 times

A designer wants to determine the average amount of time it takes a person to assemble a piece of furniture. A sample of 36 times yielded an average time of 15 minutes, with a sample standard deviation of 5.25 minutes. Assuming normality, provide a 95% confidence interval for the mean assembly time.

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