What is the probability mass function of n

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Boxes I and II both contain n transistors. At each step, a fair coin is tossed. If "heads" (respectively, "tails") is obtained, we take, at random and without replacement, a transistor in box I (resp., II). We repeat this experiment until one of the two boxes is empty. Let N be the number of transistors that remain in the other box at that moment. If we assume that the repeated trials are independent, what is the probability mass function of N?

Reference no: EM131132069

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