Suppose that a manufacturer of laptop batteries claims that his product last more than 950 hours. They test 45 batteries and found a sample mean of 925 hours and the population standard deviation of 55 hours. Use 5% significance level. Should the claim be accepted?
Suppose that a manufacturer of laptop batteries claims that his product last more than 950 hours. They test 45 batteries and found a sample mean of 925 hours and the population standard deviation of 55 hours. Use 5% significance level. Should the claim be accepted?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Suppose that a manufacturer of laptop batteries claims that his product last more than 950 hours. They test 45 batteries and found a sample
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