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Determine a 95 confidence interval estimate for the mean

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Reference no: EM13584685

In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 16 pieces of carry-on luggage was weighed. The average weight was 20 pounds. Assume that we know the standard deviation of the population to be 8 pounds.

a. Determine a 97% confidence interval estimate for the mean weight of the carry-on luggage.

b. Determine a 95% confidence interval estimate for the mean weight of the carry-on luggage.

Reference no: EM13584685

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