The lifespan of an LCD screen is approximately normally distributed with a mean of 6.2 years and a variance of 1.4?. If the LCD screen is guaranteed for 2 years, what is the probability that an LCD screen sold will require replacement while still under guarantee? Select one: 0.0007 0.0013 0.0781 0.0059 0.0054

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The lifespan of an LCD screen is approximately normally distributed with a mean of 6.2 years and a variance of 1.44. If the LCD
screen is guaranteed for 2 years, what is the probability that an LCD screen sold will require replacement while still under
guarantee?
Select one:
0.0007
0.0013
0.0781
0.0059
0.0054
Transcribed Image Text:The lifespan of an LCD screen is approximately normally distributed with a mean of 6.2 years and a variance of 1.44. If the LCD screen is guaranteed for 2 years, what is the probability that an LCD screen sold will require replacement while still under guarantee? Select one: 0.0007 0.0013 0.0781 0.0059 0.0054
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