A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7 years, and standard deviation of 2 years. If you randomly purchase one item, what is the probability it will last longer than 8 years? (Answer using 3 decimal places)

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 7 years, and
standard deviation of 2 years.
If you randomly purchase one item, what is the probability it will last longer than 8 years? (Answer using 3
decimal places)
Question Help: D Video
Transcribed Image Text:Question 6 > A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7 years, and standard deviation of 2 years. If you randomly purchase one item, what is the probability it will last longer than 8 years? (Answer using 3 decimal places) Question Help: D Video
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