Online Gambling
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Craps Roll Probabilities

Most craps veterans will tell you that the most important thing to learn in regards to craps would be the dice probabilities.

When you roll two dice you have a total of 36 possible combinations. As you can see from the table below, the 7 is by far the most common outcome as it can be rolled 6 out of the 36 possible outcomes. The rarest outcome by far would be a 2 and a 12 as they can only be rolled with a 1+1 or a 6+6.

Roll Possible Combinations Odds
2 1 35-1
3 2 17-1
4 3 11-1
5 4 8-1
6 5 31-5
7 6 5-1
8 5 31-5
9 4 8-1
10 3 11-1
11 2 17-1
12 1 35-1

Odds of Winning or Losing a Pass Line Bet

To win a Pass Line Bet on the come out roll one has to roll a 7 or 11. This means that you have 6 and 2 for a total of 8 out of the 36 possible combinations. To lose a Pass Line Bet on the come out roll one has to roll a 2, 3 or 12. This means that 4 out of 36 times you will lose. So 12 out of 36 times you will win or lose during the initial come out roll. If you didn't win or lose during the come out bet then it's time for odds bets come into play. This is when the games odds become much better for the players.

As mentioned earlier your odds of winning a pass line bet during the first roll were 8 in 36 and your odds of winning a don't pass bet were 4 in 36. Let's say you didn't win or lose the come out roll so a point has been established. The odds of rolling this point again are far smaller then the odds of rolling a 7. For example if your point is 5 your odds of rolling 5 again are only 4 in 36 versus 6 in 36 you will roll a 7. This means your more likely to roll a 7 before you roll a 5.

This all means is that after the come out roll the don't come bets have a better chance of winning compared to the pass line bet. The house edge on a pass line bet is only 1.414% while the don't pass bet 1.402%. I know it's not much of a difference but it is a difference.


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