A random variable X has the density funetion: fx(x) = (2 – x) 1
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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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