A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13 years,and standard deviation of 2 years.If you randomly purchase one item, what is the probability it will last longer than 9 years? (Give answerto 4 decimal places.)

GIVEN DATA,normal distribution μ= 13 years σ=2years if you randomly purchase one item ,probability…

Answered: A manufacturer knows that their items…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13 years, and standard deviation of 2 years. If you randomly purchase one item, what is the probability it will last longer than 9 years? (Give answer to 4 decimal places.)