QUESTION 11 Let X denote the time to failure (in years) of a certain hydraulic component. Suppose the pdf of X is f(x) = k/(x+ 4)ª for x > 0. Using the value of k, determine the expected time to failure. 4 3.2 2.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
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QUESTION 11
Let X denote the time to failure (in years) of a certain hydraulic component. Suppose
the pdf of X is f(x) = k/(x +4)ª for x > 0.
Using the value of k, determine the expected time to failure.
4
3.2
Transcribed Image Text:QUESTION 11 Let X denote the time to failure (in years) of a certain hydraulic component. Suppose the pdf of X is f(x) = k/(x +4)ª for x > 0. Using the value of k, determine the expected time to failure. 4 3.2
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