A random variable X has the density function: 9. 0
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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Question
Q8
Transcribed Image Text:A random variable X has the density function:
9.
0 <x<1
5
fx(x) = { 6
(2 – x) 1<x < 2
otherwise
If the mean of X is equal to
11
then the variance of X is:
10
O 7/20
O None of the other options
O 13/100
O 18/35
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