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StatisticsMediumRandom Variables

Random Variables · Medium problem

A random variable XX has P(X=0)=411P(X = 0) = \dfrac{4}{11}, P(X=4)=411P(X = 4) = \dfrac{4}{11}, P(X=5)=311P(X = 5) = \dfrac{3}{11}. Find E[X]E[X]. Express your answer as a common fraction or decimal.