**Question 19**A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2 years, and standard deviation of 1.4 years.If you randomly purchase one item, what is the probability it will last longer than 4 years?[Text Box][Submit Question Button]

Given,mean(μ)=7.2standard deviation(σ)=1.4

Answered: A manufacturer knows that their items…

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 manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2 years, and standard deviation of 1.4 years. If you randomly purchase one item, what is the probability it will last longer than 4 years? Submit Question