Question: 8) Ch 8 ( Confidence Intervals ) The mean pizza delivery time in Big Rapids is 38 minutes and the population standard deviation is five

8) Ch 8 ( Confidence Intervals ) The mean pizza delivery

8) Ch 8 ( Confidence Intervals ) The mean pizza delivery time in Big Rapids is 38 minutes and the population standard deviation is five minutes. Assume the sample survey size is 100 restaurants with the same sample mean. Find a 90% confidence interval estimate for the population mean pizza delivery time

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