Question: Random variable X denotes the number of green marbles drawn when a sample of two is selected without replacement from a box containing 3 green

Random variable X denotes the number of green marbles drawn when a sample of two is selected without replacement from a box containing 3 green and 7 yellow marbles.

(a) Find the moment generating function for X.

(b) Verify that E(X3) = 1.

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