crustian4489 crustian4489 12-03-2024 Mathematics contestada Suppose that the random variable X has expected value E[X] = 3 and variance Var(X) = 4. Compute the following quantities. (a) E[ZX + 2] (b) E[X²] (c) E[(2X+3)²] (d) Var(4X - 2)