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  3. k you are given the sample mean and the population

K You are given the sample mean and the population standard deviation Use this information...

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K 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 65 dates the mean record high daily temperature in a certain city has a mean of 85 21 F Assume the population standard deviation is 13 70 F The 90 confidence interval is 82 41 88 01 Round to two decimal places as needed The 95 confidence interval is 81 88 88 54 Round to two decimal places as needed Which interval is wider Choose the correct answer below Save O The 90 confidence interval O The 95 confidence interval

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