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About Keno

This article describes the lottery game. For the radio station, see [KENO]. For the nuclear criticality code, see [Keno (computer program)].

Keno is a [lottery]-like or [bingo]-like [gambling] [game] played at most modern casinos, and at many bingo halls. A player chooses anywhere from 1 to 20 numbers and marks them on a keno ticket of 80 numbers (1 to 80). The casino then draws 20 numbers at random. The player is paid out against his original wager based on how many numbers match the ones he marked on his ticket. Keno rules

As a casino game, it is notable because keno bets often have a house edge larger than any other game. The house edge ranges from 4% Online Keno odds to 66%. Keno payout tables at hundreds of casinos worldwide The typical house edge for non-slot casino games is between 0% and 5% Casino advantages for various games

Keno is believed to have originated in ancient China in the [Han Dynasty] between 205 and 187 B.C. The game was brought to America in the 19th century by Chinese immigrants. Keno history

Keno history The word "Keno" has French or Latin roots (Fr. quine five winning numbers, L. quini five each), but by all accounts the game originated in China over 2000 years ago. Legend has it that the invention of the game saved an ancient city in time of war, and its widespread popularity helped raise funds to build the Great Wall. According to one source, results of Keno games in great cities were sent to outlying villages and hamlets by carrier pigeon. Eventually, Chinese immigrants introduced Keno to the West when they sailed across the Pacific to help build the American trans-continental railroad in the 19th century. Keno History

Keno odds The payouts for keno are based on how many numbers the player chose and how many numbers "hit", multiplied by the player's original wager. The more numbers a player chooses, and the more numbers hit, the greater the payout. Payouts vary widely from casino to casino. Keno payout tables at hundreds of casinos worldwide Some casinos allow the player to pick up to 20 numbers, but most limit the choice to only 15 or 10. The probability of a player hitting the "jackpot" 20 numbers from 20 chosen is approximately 1 in 3.5 quintillion (1 in 3,535,316,142,212,180,000 to be exact). Probabilities in keno If every person now alive played one keno game every single second of their lives, there would be about one jackpot-winning ticket to date. If all these possible keno tickets were laid end to end, they would span the Milky Way galaxy -- and only one of them would be a winner. Understanding large numbers

Modern keno Numbers are picked at the "keno booth". "Keno runners" will walk around shouting "keno!" and offering number selection cards to anyone interested in playing.

After picking numbers and recording them at the keno booth, the player will then watch either a "big board" in which winning keno numbers will light up or on a video [computer display] showing the selected numbers found throughout the casino. As the winning numbers light up, the player usually marks them on his or her card with a bright-colored marker. A winning ticket needs to be taken to the keno booth immediately if it is an individual game ticket, as drawings usually take place every five minutes. If the player tries to redeem a winning ticket when the next drawing starts, it is void and no money is paid out.

To avoid having a void ticket, a keno player can purchase a "multi-race" ticket with the same picked numbers on anywhere from 2 to 20 tickets. When the maximum number of games (matching the number of tickets) is finished, the player can then redeem any winnings and avoid the peril of a void ticket. Another option is the "stray and play" ticket, which is usually a number of games greater than 30. Unlike standard keno tickets, the "stray and play" doesn't have to be redeemed immediately and is often good for up to a year after purchase.

In the State of Nevada many Las Vegas casinos have introduced their own keno games. The odds of winning are about the same as in traditional keno games, except a keno player may select from a very large number of so called "special" games. These games are often changed and revised to introduce an element of newness and excitement, yet basic principles always remain the same – the house always has a tremendous advantage over the player.

Lottery versions of Keno are now used in many National Lotteries or state licensed Lotteries around the world. The games have different formulas depending on the wanted price structure and whether the game is slow (daily or weekly), or if it is a fast game with just minutes between the draws. The drawn numbers are typically published on TV for the slow games and on monitors at the point of sale for the fast games. A video keno machine typically has a far greater payout and win-rate than a traditional keno game.

Detailed mathematical analysis The version of Keno played in [Maryland] serves as a case study in the precise calculation of win probabilities and [expected return]—the latter referring to the result to be realized in the long run from each unit invested.

In Maryland, anyone may play keno at any of thousands of establishments that are wired with a television screen and an impossible-to-overlook, hot pink machine resembling a cash register. The player uses a pencil to complete a small slip; the attendant feeds the slip to the machine, which generates a computer-printed ticket that is protected from tampering via cryptographic checksum. Games—which are played every four minutes or so—can be viewed over the accompanying television monitor. The computer selects twenty numbers between one and eighty. The payout is calculated based upon how many numbers were chosen and how many were matched. Intriguingly, for the nine-spot and ten-spot games, there is a payout if the player fails to match any numbers—it obviously being an unusual event for zero of nine or ten selected numbers to match any of the twenty "dealt," so to speak, from the pool of eighty.

The probability that k of the n numbers chosen by the player, i.e.,

P_n (k)

occur in the twenty numbers chosen by the computer can straightforwardly be derived:

1. The number of possible outcomes equals the number of combinations of eighty numbers taken twenty at a time.

2. The number of ways in which k of the n numbers selected by the player occur in the twenty numbers selected (putatively at random) by the central Keno computer is equal to the number of ways in which k numbers can be chosen from a set of n numbers.

3. The number of ways in which the remainder of the numbers do not occur in the twenty numbers selected is given by the number of ways in which 20-k numbers can be chosen from a set of 80-n numbers.

Combining the foregoing, one finds that:

P_n (k) = \frac{{n \choose k} {80-n \choose 20-k-->

The payouts for each result can be read from the Maryland keno Web site. For the purposes of our discussion, if the player participates in the n-spot game and ends up matching k of the twenty numbers selected, we will refer to that payout as:

W_n (k).

The expected payout for the n-spot game can be determined by summing, over all values of i from one to n (from zero to n if the game pays out in the case of zero numbers matched), the product of the payout for that result and the probability of occurrence of that result:

\sum\limits_{i=0 or 1}^{n}P_n (i) W_n (i)

which could alternatively be represented as the [inner product] ("[dot product]") of the vector of probabilities and the vector of payouts.

One finds that the best game for the player is the three-spot game, which realizes an expected return of approximately 62 cents for every dollar invested, or approximately a 38% loss. The seven-spot game ranks close behind, returning just over 60 cents per dollar. Perhaps not surprisingly, despite the astonishingly high payoff for strong performance, the ten-spot game is by far the poorest from the player's perspective.

References

Information Reference: Wikipedia.org

Keno

Questions and Answers

i have been on bet 365 keno as anyone won more than 50 quid because i think its fixed?

A) It does not need to be" FIXED" as the game keno has a massive percentage mark up for the house. You will lose over a lifetime if you play this game. If you could win it would not be there.

keno numbers program?

Q) are there any programs to select keno numbers?

A) You will need to be more specific. Are you looking for a program that calculates the probability of different keno numbers hitting? No need for a program. The Wizard of Odds has a great summary of the different Keno varieties here http://wizardofodds.com/keno

Keno: What is the best way or your favorite way to win? Any tips?

Q) If you play keno there are all kinds of variations. I am talking about the basic 10 spot games. I have tried 3-4 spots usually and have had some luck. I mean on a .25 cent bet you win like $10 if you hit 3 out of 3. On a 4 spot game you win $37.50 if you hit 4 out of 4. I know people who play 10 spot all the time but for me it seems like a waste, no one ever wins the jackpot. Any advice?

A) I play Caveman Keno it pays pretty well. I have played all different versions of keno. Including 20 card keno which you play 4 coins per hand max pennies to nickels. I usually do well with a box patern on that. I have one hand that I play on 1 card keno I seem to do well with on a ten number hand. I play a checkerboard style which i won $1,000 the playing 4 quarters on the first 20 dollars. Its all experimental and luck from inside you. You just have to find some numbers that work for you and once you win with them stick with them. Although I have hit 850 dollars one time radomly picking rows of numbers with in the first two plays that I picked it. But Thats about it. I personally think that playing 4-4,5-5,6-6 numbers are a waste of time. You have a better chance at a 7 of 10 or 8 of 10 or even 6-10 to keep you playing. Thats my advice.

Where can I play keno online over the internet?

Q) I love keno so much. In fact, I love playing the multi-card keno available at the Frontier casino in Vegas. I think it is 20-something cards that you can play at one time.

A) Keno is one of my favorite games too. I prefer the keno offered at Playtech casinos. A listing of Playtech casinos with awesome keno can be found at http://www.ranked-online-casinos.com/keno-online-casinos.html I play keno any time I get the chance. In fact, I hit 8 out of 10 numbers while eating in the cafe at The Bellagio once.

about keno game?

Q) in keno i select 10number of 80 and they select 20? how much possiblity to get 5, 6, 7, 8 ,9 or 10 numbers?

A) You can look at the back of the card and they give you the odds. But, basically the payouts give you a pretty good idea. They are not going to run this thing & lose. They can't be too greedy or nobody will play, so the odds are a bit less than the winning/prize payout.

Does anyone know anything about KENO...and do you know how to win at keno?

Q) I've tried a lot of different ways to win at keno...but just can't find a way to win...are there any cheat codes availible...that show you how to win...or are there any set patterns to look for and things to do...to win...?

A) http://www.casinocashjourney.com/keno_rules.htm http://www.phoeniciancasino.com/splash.asp?aff_id=aff59130&pop_up=1&from_id=0 http://www.keno.com/ http://www.muchila.com/online-keno.html http://keno.gamblingfoo.com/ http://www.keno.cd/ http://www.casinopresent.com/keno-strategy.htm http://spisok.org/s.php?q=keno+tips hope there is something to help you.good luck

about the game keno?

Q) if i matched 9 numbers does they have to be in the same order the winning numbers of the lottery here is an example the numbers i got 7, 8, 9 and the winning numbers they showed on tv was 8,9,7 am i a winner or they have to be in order.so for the winning numbers they have to be scrambled or in order. and is it true that the ticket price for it is 3 dollars for keno

A) as long as you get the numbers you win

I need good Keno Numbers !!!! 4?

Q) I need 4 good Keno numbers and why you think they will win.....

A) 18 21 16 0 that's my roulette numbers I have good luck

Ever heard of Keno Valentino?

Q) Have any of you all ever heard of Keno Valentino? I'm a huge fan! He has a new cd out "Can U Hear Me Now?" Everyone has been talking about it! It's hot! Check out a few songs @ http://www.myspace.com/kenovalentino

A)

does anyone play Keno and have you won?

Q) i would like to know, what's the best way to play keno. how many consecutive games do you play? and what conbination of numbers are more likely to come up.

A) I play Keno once in awhile, I've never won more than $50 bucks.. but I have a gambling forum and a member on our board just hit 8 out of 8 numbers for $10,000. The casino said it was a 1 in a 3million+ chance! Crazy!

I need 4 and 5 keno picks?

Q) I need numbers for 4 spot and 5 spot keno games in Mass.

A) 5,8,45,3,40..best thing to do is put the numbers in a ziploc bag and pick them out.