A random variable X has the density funetion: fx(x) = (2 – x) 1

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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A random variable X has the density funetion:
fx(x) =
(2 – x) 1<x<2
otherwise
If the mean of X is equal to
then the variance of X is:
13/100
18/35
7/20
None of the other options
Transcribed Image Text:A random variable X has the density funetion: fx(x) = (2 – x) 1<x<2 otherwise If the mean of X is equal to then the variance of X is: 13/100 18/35 7/20 None of the other options
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