2.2-2. Let the random variable X have the pmf f(x) = (x + 1)² 9 Compute E(X), E(X2), and E(3X2 - 2X + 4). x= -1, 0, 1.

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2.2-2. Let the random variable X have the pmf
f(x): =
(x + 1)²
9
Compute E(X), E(X2), and E(3X2 - 2x + 4).
x = -1, 0, 1.
Transcribed Image Text:2.2-2. Let the random variable X have the pmf f(x): = (x + 1)² 9 Compute E(X), E(X2), and E(3X2 - 2x + 4). x = -1, 0, 1.
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