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Suppose we toss a fair coin three times and define the random variable X to...

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Suppose we toss a fair coin three times and define the random variable X to be our winnings on a single play of a game where a we win x if the first heads is on the xth toss for x 1 2 3 b and we lose 1 if we get no heads in all three tosses Draw a probability distribution table and compute the standard deviation of winnings

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