Example 2Il the probability density function of the random variable isf(x) =1-x, x<1, otherwisthen what is the variance of X?M IMIE

The variance of the random variable X is defined as Var(X)= E(X2)-(E(X))2 Where E(X) is called mean

Answered: fx) = {1-Ixl , Fx) = { |x] <1 ,…

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fx) = {1-Ixl , Fx) = { |x] <1 , otherwis then what is the variance of X?

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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Example 2
Il the probability density function of the random variable is
f(x) =
1-x, x<1
, otherwis
then what is the variance of X?
M IMIE

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