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Keno Probabilities
Because of the overwhelming amount of potential number combinations, it is quite hard to calculate the probabilities and odds and at times, it may even turn confusing. While you choose 20 numbers randomly from 80 numbers, you need to consider various combinations of numbers such as 3,535,316,142,212,174,320.

Of course, you also have to remember that the sequence of these numbers is important as well. You simply have to pick as many numbers as possible.
Below is the probability table of Keno games, which you may consider, while making your stakes:

Keno Probabilities Table

The table is quite simple and easy to understand. For instance, if you choose 5 spot, then you have 22.7% chances that nothing will appear, and 8.4% of chances that three numbers will appear, and 0.1% chances that five numbers will appear. If you sum up the numbers from row one, you will get 100%. For instance, in case of 3 numbers, there are 41.6% chance of getting no numbers, 43.1% chance of getting 1 number, and 13.9% chances of getting 2 numbers and 1.4% chances of getting 3 numbers, (41.6+43.1+13.9+1.4=100).

Next, if you choose 14 numbers, then you can witness that your chances of getting 7 numbers are only 2.0%, but your odds of getting all 14 numbers will be relatively small.

In Keno games, you can win a rollover prize, if all your six numbers match with the casino's numbers regardless of the sequence. If you are still unaware of the fact that the probability to win at casino game is 1 in 13,983,816, then you may have to analyze the combination function before playing further.

Finally, a calculator will not always help in calculating huge bets placed in a Keno game, so try to keep your calculations as minimum as possible to help in increasing your odds of winning.

Read More:
 
Keno Strategy

Keno Rules

Keno History