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Mike
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08-03-2006, 03:44 PM
Post subject: Straight statistics on flop
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#1 (permalink)
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Join Date: Jun 2006
Posts: 72
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If I have lets say 78. What is the probability that I will get a straight on the flop? I can get 4 different types:
456, 569, 69T, 9TJ
What will the odds be?
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jackvance
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4-of-a-Kind
Join Date: Mar 2006
Posts: 2,910
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12/50*8/49*4/48*4=1.306%
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Sarcasm is your body's natural defense against stupidity
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CrunchyNuts
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Flush
Join Date: May 2005
Posts: 436
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Quote:
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Originally Posted by jackvance
12/50*8/49*4/48*4=1.306%
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To extend, what Jack here did was looked at the odds of hitting one type of straight, let's say the idiot end. In order to get that, you need the flop to be 9TJ. The first card delt needs to be any one of those - 12 possibilities from 50. The next card needs to be one of the two remaining non-representing ranks, 8 possibilities from 49. The last must be the remaining non-represented rank, so 4 possibilities from 48. The chance of all three happening is the product of those individual probabilities, so the chance of hitting one type of straight is 12/50 * 8/49 * 4/48. There's 4 types of straights given 78 hole, so multiply by 4 and you've got your answer - 1.306%.
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Renton
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Straight Flush
Join Date: Jan 2006
Location: Atlanta, GA, USA
Posts: 5,991
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i am pretty sure flopping a str8 is like 60:1 and flopping a flush is like 100:1
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ElKrem
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One Pair
Join Date: Jan 2006
Location: Houston, Texas
Posts: 20
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This is a great sticky with all kindza flop odds:
http://www.flopturnriver.com/phpBB2/...poker-9366.htm
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BaABnG
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Join Date: Aug 2006
Posts: 18
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Maybe I am missing something here. You just showed the odds of getting a straight from the flop with a 78. But, your straight was a 789-10-J. What about 6-10, or 5-9 or 4-8? those are all straights, from a pocket 7-8. Does that change the percentages?
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ElKrem
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One Pair
Join Date: Jan 2006
Location: Houston, Texas
Posts: 20
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No. That's what the *4 is there for.
(12/50)*(8/49)*(4/48)*(4 ways to do this)=1.306%
4 ways, each equally likely: 4-5-6, 5-6-9, 6-9-T, 9-T-J
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