a. 1. Let X be a discrete random variable with the following probability mass function. 8 1 f(x) = (7)@*, x = 1,2,3 (5)

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A 1 Let X Be A Discrete Random Variable With The Following Probability Mass Function 8 1 F X 7 X 1 2 3 5 1 (47.62 KiB) Viewed 83 times

a. 1. Let X be a discrete random variable with the following probability mass function. 8 1 f(x) = (7)@*, x = 1,2,3 (5) Verify that the given function is a probability mass function. b. (5) P(X > 1) =? (5) P(2< X < 6) =? d. (10) Determine the cumulative distribution function of X. (5) Determine the expected value of of X. f. (10) Determine the variance of X. g. (10) E[(x + 1)?]=? c osobi e.