Question: Can you please properly explain and justify the answers Exercise 4. Let X1, X2, ... be iid random variables with P [X1 = 1] =
Can you please properly explain and justify the answers

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Exercise 4. Let X1, X2, ... be iid random variables with P [X1 = 1] = p and P [X1 = -1] = q = 1 -p with 0
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