Question: 3. Let X be a discrete random variable with probability mass function Find E 2(X 1)(3 X) . -2 0 2 4 p(x)

3. Let X be a discrete random variable with probability mass function

-2 0 2 4 p(x) 1/3 1/4 1/4 1/6

Find E
2(X − 1)(3 − X)
.

-2 0 2 4 p(x) 1/3 1/4 1/4 1/6

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