Question: (10 points) Random variables, expected value A fair coin is tossed four times. Let X denote the number of Tails that occurred. a What possible

(10 points) Random variables, expected value A fair coin is tossed four times. Let X denote the number of "Tails" that occurred. a What possible values can X take with non-zero probability? Find the probability mass function of X. b) Compute the expected value E(X). c) Compute E (sin (X))

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