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Asked Oct 16, 2019
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The lifetime of a particular component is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. What is the 80th percentile of component lifetimes?

 

 
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The 80th percentile for the is obtained by using the Excel function “=Norm.INV(...

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=NORM.INV(0.8,1000,100) A1 В C E F 1084.162

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