Emma has a bag which contains 4 green marbles and 7 white marbles. She draws marbles one at a time without replacement until she draws a white at which point she stops. Let G be the random variable which counts the number of green marbles that have been drawn when she stops. Compute Pr[G≥ 2]. 21 55 A. 55 B. О с. 4 11 11 D. - (") (H)³ (A)* 3 9

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