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Random Variableseasy
0:00.0

Let XXX be a discrete random variable with P(X=1)=0.4P(X=1) = 0.4P(X=1)=0.4, P(X=2)=0.3P(X=2) = 0.3P(X=2)=0.3, and P(X=3)=0.3P(X=3) = 0.3P(X=3)=0.3. What is the expected value E[X]E[X]E[X]?