3. The Flamerock Tire company manufactures a particular tire model that has a mean lifetime of 65,000miles with a standard deviation of 4500 miles. The lifetimes are normally distributed. What is the probabilitythat one of these tires selected at random will last 70,000 miles or more?

We have given that. X~N( μ , ?^2 ) μ =6500 , ? =4500 Z-score =( x - μ )/?

Answered: 3. The Flamerock npany manufactures a…

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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3. The Flamerock npany manufactures a particular tire model that has a mean lifetime of 65,000 miles with a standard deviation of 4500 miles. The lifetimes are normally distributed. What is the probability hat one of these tires selected at random will last 70,000 miles or more?