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assume that Pr[H] = 0. Also, assume that the coin is flipped 3 times, and the random variable X is defined to be 4 times the number of heads minus 3...
assume that Pr[H] = 0.2. Also, assume that the coin is flipped 3 times, and the random variable X is defined to be 4 times the number of heads minus 3 times the number of tails.