antonioallen566 antonioallen566

19-12-2022
Mathematics

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You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals.
A random sample of 55 home theater systems has a mean price of $125.00. Assume the population standard deviation is $17.90.

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