Question: Suppose X has the following probability mass function Calculate E[X 2 ]. p(0)=.2, p(1)=.5, p(2) = .3

Suppose X has the following probability mass function

p(0)=.2, p(1)=.5, p(2) = .3

Calculate E[X2].

p(0)=.2, p(1)=.5, p(2) = .3

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