Tossing six fair coins
An experiment consists of tossing six fair coins. Determine the probability density and cumulative distribution function for the number of heads that will appear in the experiment.
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A gambler has a fair coin (with one head and one tail) and a two-headed coin. He selects one of the coins at random, and when he flips it, it shows heads. Suppose that he flips the same coin a second time and again it shows heads. Then he flips th
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