What is the probability a certain tire of this brand will last less than 53,400 miles? What is the probability a certain tire of this brand will last more than 62,500 miles?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Answer questions all A B C show your work
8.- The tread life of a particular brand of tire is a random variable best described by a normal
distribution with a mean of 60,000 miles and a standard deviation of 1700 miles.
a. What is the probability a certain tire of this brand will last less than 53,400 miles?
b. What is the probability a certain tire of this brand will last more than 62,500 miles?
C. What is the probability a certain tire of this brand will last between 56,430 miles and
61,940 miles?
Transcribed Image Text:8.- The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1700 miles. a. What is the probability a certain tire of this brand will last less than 53,400 miles? b. What is the probability a certain tire of this brand will last more than 62,500 miles? C. What is the probability a certain tire of this brand will last between 56,430 miles and 61,940 miles?
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