Let X be a standard normal random variable. Find E[2X2 + 1] UESTION 2 Roll two...

Question

Question

Answer 1

Answer #1

1)

Solution :

X be the standard normal variable.

E(X ²) = 1

E[2X ² + 1] = 2E(X ²) + E(1) = 2 * 1 + 1 = 2 + 1 = 3

Answer 2

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