Problem 1 The lives of a certain type of carpet cleaners are approximately normally distributed with mean of 10 years and standard deviation of 2 years. The manufacturer of the carpet cleaner wants to determine the guarantee period during which the carpet cleaner will be replaced if it fails. If the manufacturer is willing to replace 16% of the carpet cleaners that fail, how many years of replacement guarantee period should the manufacturer offer?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1
The lives of a certain type of carpet cleaners are approximately normally distributed with mean of 10
years and standard deviation of 2 years. The manufacturer of the carpet cleaner wants to determine the
guarantee period during which the carpet cleaner will be replaced if it fails. If the manufacturer is willing
to replace 16% of the carpet cleaners that fail, how many years of replacement guarantee period should
the manufacturer offer?
Transcribed Image Text:Problem 1 The lives of a certain type of carpet cleaners are approximately normally distributed with mean of 10 years and standard deviation of 2 years. The manufacturer of the carpet cleaner wants to determine the guarantee period during which the carpet cleaner will be replaced if it fails. If the manufacturer is willing to replace 16% of the carpet cleaners that fail, how many years of replacement guarantee period should the manufacturer offer?
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