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View Full Version : Flopping 4 to a flush odds... what am I doing wrong?


laxrulz777
02-09-2004, 02:28 PM
I've seen it posted on several websites that your odds of flopping 4 to a flush (with two in your hand) are 10.944%... however, when I do the math I get the following

11*10*48/(50*49*48)*(3!/(2!*1!)) - .008418 (the odds of hitting 5 to a flush)

simplifyig some of that mess above gets us to:

11*10/(50*49)*3 - .008418 = .126276

what am I doing wrong?

Lost Wages
02-09-2004, 02:43 PM
..odds of flopping 4 to a flush (with two in your hand) are 10.944%...

The probability of flopping a four flush is:

# of flops with 2 of your suit
------------------------------------ =
total # of possible flops

(C(11,2)*39)/C(50,3) =

((11*10)/2)*39
--------------------
(50*49*48)/(3*2)

=10.94%

Lost Wages