Re: Odds of 3 sets being flopped and quads being hit on the turn?
In order to answer this type of question you need to make certain assumptions and start at a given point. I will find a slightly different number. I am going to solve the problem that given you start with a pair.
1. You find your self in a set/set/set situation after the flop.
2. One or more of you end up with four of a kind.
Obviously you must assume all people dealt a pocket pair stay to see the flop and all people with a set on the flop stay to the end.
Given that you have a pocket pair!
The flop gives you sepecifically a set
=2*(12c2)*4*4/(50c3) = 10.7755% or 1 in 9.28 flops
Prob two of your five opponents also hold a set
=18/(50c2)/(48c2)*(5c2) = .0139% or 1 in 7,676.67 times
Prob one or more of your opponents ends up with four of a kind
=(3*40+3)/(43c2) = 13.6213% or 1 in 7.34 times
So given you flop a pocket pair the probability of seeing a set/set/set flop is:
=10.7755%*.0130% = .0014037% or 1 in 71,242 times
So given that you have a pair the probability that three of you flop a set and one or more end up with a four of a kind is:
=.0014037%*13.6213% = .0001911% or 1 in 523,019 times
Now if you wanted to start from scratch and say what is the probability that on the next deal I get a pair and the above happens you will be dealt a pair 1 in 17 times so multiply the above numbers by 17.
This does not answer the posters question of how often this will happen at a six person table. It answers how ofter will I be involved in the above in a six person table.
Cobra
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