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You are given the sample mean and the population standard deviation. Use this information to construct the 99% and 95% condence intervals for the population

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You are given the sample mean and the population standard deviation. Use this information to construct the 99% and 95% condence intervals for the population mean. Interpret the results and compare the widths of the condence intervals. If convenient. use technology to construct the confidence intervals. Arandom sample of El} home theater svstems has a mean price of$121.. Assume the population standard deviation is $16.59.

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