Question: Question Help You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for

Question Help

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.

From a random sample of 56

56 dates, the mean record high daily temperature in a certain city has a mean of 84.86

84.86degrees

F. Assume the population standard deviation is 14.74

14.74degrees

The 90% confidence interval is ( ). ( )

(Round to two decimal places as needed.)

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