2) Suppose that a manufacturer of laptop batternes 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 5 hours. Use 5% significance level. Should the claim be accepted?
2) Suppose that a manufacturer of laptop batternes 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 5 hours. Use 5% significance level. Should the claim be accepted?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![2) 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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9373586b-f65e-4c3c-9c7a-0be53a6e0a12%2F61fa3e2d-7e11-4152-b04d-d53fa5970ce6%2Fquc51aj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2) 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?
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