In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 36 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.
Question 2
Problem definition
a. includes specific objectives and operating constraints.
b. must occur prior to the quantitative analysis process.
c. must involve the analyst and the user of the results.
d. each of these choices are true.
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