Answered: The life spans of three randomly…

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:certain brand of automobile tire has a mean life span of 35,000 miles and a standard deviation of 2,150 miles. (Assume the life spans of the tires have a bell-shaped stribution.) -) The life spans of three randomly selected tires are 34,000 miles, 36,000 miles, and 31,000 miles. Find the z-score that corresponds to each life span. or the life span of 34,000 miles, z-score is - 0.47 . Round to the nearest hundredth as needed.) or the life span of 36,000 miles, z-score is 0.47. Round to the nearest hundredth as needed.) or the life span of 31,000 miles, z-score is - 1.86 . Round to the nearest hundredth as needed.) According to the z-scores, would the life spans of any of these tires be considered unusual? No Yes (b) The life spans of three randomly selected tires are 32,850 miles, 37,150 miles, and 35,000 miles. Using the empirical rule, find the percentile that corresponds to each life span. The life span 32,850 miles corresponds to the th percentile. th percentile. th percentile. The life span 37,150 miles corresponds to the The life span 35,000 miles corresponds to the

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