Re: Odds of set-over-set on flop?
He is using hypergeometric formula but broke it down for you. The entire formula would be
[ C(2,1) * C(2,1) * C(44,1) ] / C(48,3)
C(2,1) means you hit your set using exactly 1 card out of possible 2 outs. The other C(2,1) means your opponent hits his set using exactly 1 card out of his possible 2 outs. C(44,1) means a safe card that wont give you guys quads, divided by C(48,3) which is all possible combinations of cards that can flop.
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