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  3. suppose that the delivery times for a local pizza

Suppose that the delivery times for a local pizza delivery restaurant are normally distributed with...

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Suppose that the delivery times for a local pizza delivery restaurant are normally distributed with an unknown mean and standard deviation A random sample of 24 deliveries is taken and gives a sample mean of 27 minutes and sample standard deviation of 6 minutes The confidence interval is 24 47 29 53 Find the margin of error for a 95 confidence interval estimate for the population mean

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