Hypothesis testing question help: The mean lifetime of fluorescent light bulbs produced by a company is 1600
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Hypothesis testing question help: The mean lifetime of fluorescent light bulbs produced by a company is 1600 with a standard deviation of 120 hours. A sample of 100 fluorescent lightbulbs produced a mean lifetime of 1570 hours. Tesla companies claim is in the level of significance 0.05. show all work
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Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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