The probability of throwing a Seven in any given roll is 6 in 36. For a Six or Eight, it's 5 in 36. For a Five or Nine, it's 4 in 36. For a Four or Ten, it's 3 in 36. For Two or Twelve, it's 1 in 36.

In Craps you may play the Pass Line, (Shooter will make his or her point). Remember, the Come-Out roll; 7 and 11 wins, but 2, 3, and 12 lose. After that, you want the Shooter to make his or her point before rolling a 7. If you bet a $5 chip on the Pass Line and win, you will profit $5. In most casinos you can bet up to Double the amount of your Pass Line bet. This is called Taking Full Odds. Therefore, you can bet $10 odds on your $5 Pass Line bet. Some casinos offer up to 10-times odds which means you can bet up to 10-times the amount of your Pass Line bet. The payoff for your odds, depending on the Point, are as follows;

* Four and Ten - Pays - 2 to 1 odds
* Five and Nine - Pays - 7 to 5 odds
* Six and Eight - Pays - 6 to 5 odds

In Craps you may also play the Don't Pass line, (Shooter will not make his or her point). Remember, on this side; the Come-Out roll, the 7 and 11 lose, you win on 2 and 3, and you push, (tie) on 12. After the point is established, you want a 7 to show before the Shooter rolls the point. If you bet a $5 chip on the Don't Pass line and win, you will profit $5. If you are to bet odds, however, you would have to lay the same odds that the House would pay. For Example: if the point is 4 or 10, you lay $10 to win $5. (Note: House pays 2 to 1 odds on the 4 and 10). If the point is 5 or 9, your lay $7 to $5. If the point is 6 or 8, you lay $6 to win $5.
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It is important that we understand the concept of True Odds. The fact is that casinos do not pay off winning bets at True Odds, but rather at reduced odds. This is what provides the House with its healthy edge over the player, a situation most acutely visible in the ONE ROLL bets. For example: earlier we noted a 2 or 12 will be rolled on an average, once in every 36 rolls, true payoff would be 36 to 1. You will notice, however, that casinos only pay off on such bets at 29 to 1, (30 for 1). These variances provide the House with an overall 16.6% edge over the players on such bets. This disadvantage for the player is offset by players who are smart enough to take odds on their Pass Line and Come bets. Taking advantage of the full odds reduces the House edge over the player to about 0.85% on such bets, as opposed to about 1.4% on bets without odds.

Craps is based on the various probabilities that any given number will be thrown. With two dice there are 36 possible number combinations, called Permutations. Of the 36 ways, here is a breakdown of all the two-dice combinations to make your point:

* Number 2 - One Way - (1+1)
* Number 3 - Two Ways - (1+2, 2+1)
* Number 4 - Three Ways - (2+2, 3+1, 1+3)
* Number 5 - Four Ways - (1+4, 4+1, 2+3, 3+2)
* Number 6 - Five Ways - (3+3, 1+5, 5+1, 2+4, 4+2)
* Number 7 - Six Ways - (1+6, 6+1, 2+5, 5+2, 3+4, 4+3)
* Number 8 - Five Ways - (4+4, 2+6, 6+2, 3+5, 5+3)
* Number 9 - Four Ways - (3+6, 6+3, 4+5, 5+4)
* Number 10 - Three Ways - (5+5, 4+6, 6+4)
* Number 11 - Two Ways - (5+6, 6+5)
* Number 12 - One Way - (6+6)

I see, you are having a difficulty. You don't know, what to play - Keno or roulette? Let me give you some info so, that it'd be easier for you to make a choice.

So, let's begin with keno. It is a lottery-like or bingo-like gambling game often played at modern casinos, and is also offered as a game in some state lotteries. A traditional live casino keno game uses a circular glass enclosure called a "bubble" containing 80 ping pong-like balls which determine the balldraw result. Each ball is imprinted with a number 1 through 80. During the balldraw, a blower pushes air into the bubble and mixes the balls. A "caller" presses a lever opening a tube, where the balls lift one at a time into a "V" shaped tube called the "rabbit ears". The caller and a "verifier" record each of 20 balls drawn, and the computerized keno system calculates all wagers based on the numbers drawn. In order to play it, you'll need to find some info on keno strategy. You should also care about downloading keno software.

And now let's face roulette tables. So, if we are talking about online casino roulette we should firstly understand how a non-virtual version of this game appeared. The first form of roulette was devised in 18th century in France. Blaise Pascal introduced a primitive form of roulette in the 17th century in his search for a perpetual motion machine. The roulette wheel is believed to be a fusion of the English wheel games Roly-Poly, Reiner, Ace of Hearts, and E.O.

So, if you make up your mind to play roulette online, don't forget to learn the roulette strategies as carefully as you can.