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Let X be a random variable and consider the probability mass function of X given below. X 3 4 5 P(X) m 2m 3m 4m

Let X be a random variable and consider the probability mass function of X given below. X 3 4 5 P(X) m 2m 3m 4m (A) What is P(X=4)? 0.1 (B) What is the expected value of X? 3.9 v (C) What is the variance of X? 2.01 V

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