Question: Question 5: (5 points) a. (1) Prove that It_(x; - x) = 0 where a = 1Dri. b. (2) Prove that s' = or? -

Question 5: (5 points) a. (1) Prove that It_(x; - x)

Question 5: (5 points) a. (1) Prove that It_(x; - x) = 0 where a = 1Dri. b. (2) Prove that s' = or? - ne' where s' = ), (r, - 2)?. c. (2) Prove that if X ~ Bernoulli(p) then Var(X) = p(1 - p)

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