A manufacturer of kitchen equipment knows that the time before one of its ovens needs its first repair is normally distributed with a mean of 4 years and a standard deviation of 0.4 years. If the manufacturer offers a 3 year warranty, what is the probability that an oven's first repair occurs after the warranty expires?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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QUESTION 9
A manufacturer of kitchen equipment knows that the time before one of its ovens needs its first repair is normally distributed with a mean of 4 years and a standard
deviation of 0.4 years. If the manufacturer offers a 3 year warranty, what is the probability that an oven's first repair occurs after the warranty expires?
Transcribed Image Text:QUESTION 9 A manufacturer of kitchen equipment knows that the time before one of its ovens needs its first repair is normally distributed with a mean of 4 years and a standard deviation of 0.4 years. If the manufacturer offers a 3 year warranty, what is the probability that an oven's first repair occurs after the warranty expires?
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