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A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 29,000 miles and a standard deviation of 2400 miles. He wants to give a guarantee for free replacement of tires that don't wear well. How should he word his guarantee if he is willing to replace approximately 10% of the tires? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Tires that wear out by miles will be replaced free of charge. (Round to the nearest mile as needed.)

A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 29,000 miles and a standard deviation of 2400 miles. He wants to give a guarantee for free replacement of tires that don't wear well. How should he word his guarantee if he is willing to replace approximately 10% of the tires? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Tires that wear out by miles will be replaced free of charge. (Round to the nearest mile as needed.)

MATLAB: An Introduction with Applications
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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A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 29,000 miles and a standard deviation of 2400 miles. He wants to give a guarantee for free replacement of tires that don't wear well. How should he word his guarantee if he is willing to replace approximately 10% of the tires? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Tires that wear out by miles will be replaced free of charge. (Round to the nearest mile as needed.)
Transcribed Image Text:A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 29,000 miles and a standard deviation of 2400 miles. He wants to give a guarantee for free replacement of tires that don't wear well. How should he word his guarantee if he is willing to replace approximately 10% of the tires? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Tires that wear out by miles will be replaced free of charge. (Round to the nearest mile as needed.)
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