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The average miles on a tank of gas for the Ford Explorer is 300 miles with a standard deviation of 22 miles. A consumer group feels the average is actually lower. They survey 40 vehicles and find the average miles per tank is 290 miles. At a 0.05, test the consumer groups' claim that the miles per tank is actually lower than 300 miles. %3D Reject Ho Reject Ha Fail to reject Ho O Fail to reject Ha

The average miles on a tank of gas for the Ford Explorer is 300 miles with a standard deviation of 22 miles. A consumer group feels the average is actually lower. They survey 40 vehicles and find the average miles per tank is 290 miles. At a 0.05, test the consumer groups' claim that the miles per tank is actually lower than 300 miles. %3D Reject Ho Reject Ha Fail to reject Ho O Fail to reject Ha

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The average miles on a tank of gas for the Ford Explorer is 300 miles with a standard deviation of 22 miles. A consumer group feels the average is actually lower. They survey 40 vehicles and find the average miles per tank is 290 miles. At a = 0.05, test the consumer groups' claim that the miles per tank is actually lower than 300 miles. %3D Reject Ho O Reject Ha Fail to reject Ho Fail to reject Ha
Transcribed Image Text:The average miles on a tank of gas for the Ford Explorer is 300 miles with a standard deviation of 22 miles. A consumer group feels the average is actually lower. They survey 40 vehicles and find the average miles per tank is 290 miles. At a = 0.05, test the consumer groups' claim that the miles per tank is actually lower than 300 miles. %3D Reject Ho O Reject Ha Fail to reject Ho Fail to reject Ha
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