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Old 06-10-2004, 06:14 PM
DeadRed DeadRed is offline
Junior Member
 
Join Date: Jun 2004
Location: Indiana
Posts: 19
Default Re: Calculating Odds

When I calculate it and let the "other" card make either quads or a boat, I am getting the 1.47%. I can't seem to find that missing .1% as well.

2*C(3,2)*C(48,1) / C(50,3)

2 allowing for either card a or b to be the trips.
C(3,2) choosing two of the three available 3 cards to make the trips. (3)
C(48,1) choosing the last card on the flop. Changing the 48 to 44 will get you trips only. (48 or 44)
C(50,3) Everybody's favorite number, 19600.

2*3*48/19600 ~ 1.47%
2*3*45/19600 ~ 1.35%
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