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3. An airline president wants to find out if baggage fees have made a difference in how much people bring with them on their trips. Previous studies have shown that the average person's luggage brought onto a plane weighs µ = 42 pounds, while the standard deviation was o-17 pounds. However, in the airline's study of 320 passengers, the average weight of their luggage was x 40 pounds. Can the airline say for certain that the current average weight is really different from what it was before? Use a 1% level of significance. %3D

3. An airline president wants to find out if baggage fees have made a difference in how much people bring with them on their trips. Previous studies have shown that the average person's luggage brought onto a plane weighs µ = 42 pounds, while the standard deviation was o-17 pounds. However, in the airline's study of 320 passengers, the average weight of their luggage was x 40 pounds. Can the airline say for certain that the current average weight is really different from what it was before? Use a 1% level of significance. %3D

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 26PPS
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What is the null hypothesis and the alternate hypothesis? Is the test left tailed, right tailed or two tailed? What is the P value? what is the comparison between the p-value and the a-value? Do we reject or accept the null hypothesis?

3. An airline president wants to find out if baggage fees have made a difference in how much people bring with them on their trips. Previous studies have shown that the average person's luggage brought onto a plane weighs u airline's study of 320 passengers, the average weight of their luggage was x 40 pounds. Can the airline say for certain that the current average weight is really different from what it was before? Use a 1% level of significance. 42 pounds, while the standard deviation was o= 17 pounds. However, in the
Transcribed Image Text:3. An airline president wants to find out if baggage fees have made a difference in how much people bring with them on their trips. Previous studies have shown that the average person's luggage brought onto a plane weighs u airline's study of 320 passengers, the average weight of their luggage was x 40 pounds. Can the airline say for certain that the current average weight is really different from what it was before? Use a 1% level of significance. 42 pounds, while the standard deviation was o= 17 pounds. However, in the
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