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A coin is loaded so that the probability of heads is 0.8 and the probability of tails is 0.2. Suppose that the coin is tossed

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A coin is loaded so that the probability of heads is 0.8 and the probability of tails is 0.2. Suppose that the coin is tossed twice and that the results of tosses are independent. What is the probability of obtaining exactly one tail? (a) 0.8 (b) 0.32 (c) 0.68 (d) None

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