In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 60 pieces of carry-on luggage was collected and weighed. The average weight was 27.5 pounds. Assume that we know the standard deviation of the population to be 7.25 pounds. Also, assume the population is normally distributed. (Round your answers to three decimal places.) (a) Determine a 99% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage. pounds to pounds (b) Determine a 95% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage. pounds to pounds
In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 60 pieces of carry-on luggage was collected and weighed. The average weight was 27.5 pounds. Assume that we know the standard deviation of the population to be 7.25 pounds. Also, assume the population is normally distributed. (Round your answers to three decimal places.) (a) Determine a 99% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage. pounds to pounds (b) Determine a 95% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage. pounds to pounds
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 60 pieces of carry-on luggage was collected and weighed. The average weight was 27.5 pounds. Assume that we know the standard deviation of the population to be 7.25 pounds. Also, assume the population is normally distributed . (Round your answers to three decimal places.)
(a)
Determine a 99% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage.
pounds to pounds
(b)
Determine a 95% confidence interval estimate for the population mean weight (in pounds) of the carry-on luggage.
pounds to pounds
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