Answered: A certain brand of automobile tire has…

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:A certain brand of automobile tire has a mean ife span of 31,000 miles and a standard deviation of 2,150 mies (Assume the life spars of the tires have a bel-shaped distribution (a) The life spans of three randomly selected tires are 35,000 miles, 36,000 miles, and 32,000 miles. Find the 2-score that comesponds to each ie span. For the life span of 35,000 miles, z-score is (Round to the nearest hundredth as needed.) For the life span of 36,000 miles, z-soore is. (Round to the nearest hundredth as needed.) For the ife span of 32,000 miles, z-score is (Round to the nearest hundredth as needed.) According to the 2-scores, would the life spans of any of these tires be considered unusual? O No O Yes (b) The life spans of threoe rande selectod tires are 26,700 miles, 35,300 miles, and 31,000 miles. Using the emprical rule, find the percentile tat comeaponds to oach ite span The life span 26,700 miles coresponds to the The lide span 35.300 mies corresponds to the th percentile th percentile th percentile The ife soan 31,000 miles corresponds to the

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