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Random Variableseasy
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A discrete random variable XXX has outcomes {−2,0,2}\{-2, 0, 2\}{−2,0,2} with probabilities {0.2,0.5,0.3}\{0.2, 0.5, 0.3\}{0.2,0.5,0.3}. What is E[X]E[X]E[X]?