Calculate E(X³), where X has the following PMF: .5 x=1 f(x)=.3 x=2 2 x=3

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Calculate E(X³), where X has the following PMF:
.5 x=1
f(x)=.3 x=2
.2 x=3
Transcribed Image Text:Calculate E(X³), where X has the following PMF: .5 x=1 f(x)=.3 x=2 .2 x=3
Expert Solution
Step 1

Given that 

PMF of X is 

x 1 2 3
f( x ) 0.5 0.3 0.2
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