You may need to use the appropriate appendix table or technology to answer this question. In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 70 pieces of carry on luggage was collected and weighed. The average weight was 29.5 pounds. Assume that we know the standard deviation of the population to be 3.25 pounds. Also, assume the population is normally distributed. (Round your answers to three decimal places) (4) Determine a 99% confidence interval estimate for the population means 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
You may need to use the appropriate appendix table or technology to answer this question. In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 70 pieces of carry on luggage was collected and weighed. The average weight was 29.5 pounds. Assume that we know the standard deviation of the population to be 3.25 pounds. Also, assume the population is normally distributed. (Round your answers to three decimal places) (4) Determine a 99% confidence interval estimate for the population means 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
Section: Chapter Questions
Problem 22SGR
Related questions
Question
![You may need to use the appropriate appendix table or technology to answer this question.
In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 70 pieces of carry-on luggage was collected and weighed. The average weight
was 20.5 pounds. Assume that we know the standard deviation of the population to be 3.25 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
pounds to](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b1d98cf-a768-4464-b954-6506c05fcae4%2F80bd0942-008c-4cb8-9555-c71a70480cce%2Fqyvpwvr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:You may need to use the appropriate appendix table or technology to answer this question.
In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 70 pieces of carry-on luggage was collected and weighed. The average weight
was 20.5 pounds. Assume that we know the standard deviation of the population to be 3.25 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
pounds to
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