Answered: The manufacturer of a particular brand…

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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Transcribed Image Text:The manufacturer of a particular brand of tires claims they average at least 50,000 miles before needing to be replaced. From past studies of this tire, it is known that the population standard deviation is 8,000 miles. A survey of tire owners was conducted. From the 21 tires surveyed, the mean lifespan was 48500 miles. Using alpha = 0.05, can we prove that the data in inconsistent with the manufacturers claim? We should use a ?v test. What are the correct hypotheses? Ho: Select an answer v miles H: Select an answer v miles Based on the hypotheses, find the following: Test Statistic= p-value= The correct decision is to Select an answer The correct conclusion would be: Select an answer

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