2.A company manufactures car batteries with an average life span of 2 or more years. An engineer believes this value to be less. Using 10 samples, he measures the average life span to be 1.8years with a standard deviation of 0.15. At a 99% confidence level, is there enough evidence to discard the null hypothesis
2.A company manufactures car batteries with an average life span of 2 or more years. An engineer believes this value to be less. Using 10 samples, he measures the average life span to be 1.8years with a standard deviation of 0.15. At a 99% confidence level, is there enough evidence to discard the null hypothesis
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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2.A company manufactures car batteries with an average life span of 2 or more years. An engineer believes this value to be less. Using 10 samples, he measures the average life span to be 1.8years with a standard deviation of 0.15. At a 99% confidence level, is there enough evidence to discard the null hypothesis?
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