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Random Variableshard
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If XXX is a discrete random variable with P(X=1)=0.3,P(X=2)=0.7P(X=1) = 0.3, P(X=2) = 0.7P(X=1)=0.3,P(X=2)=0.7, what is E[X]E[X]E[X]?