One way to get X heads out of n flips is to get them all in a row. We can multiply together the probabilities of these independent events. But we can get X heads out of n flips in a lot of different orders, which is given by the combination.
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Dec 03, 2014
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One way to get X heads out of n flips is to get them all in a row. We can multiply together the probabilities of these independent events. But we can get X heads out of n flips in a lot of different orders, which is given by the combination.
Voila … the Binomial Distribution formula.
A Poisson problem
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