Gambling Guide
Last Updated: October 31, 2019
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Top-Bottom Keno — Odds
Introduction
Top-bottom keno pays according to how many balls fall into a half (top or bottom) chosen by the player. Pay table can vary, as always with keno. The return table below, based on a game I found in Las Vegas, shows a return of 94.32%.
Top Bottom Keno
| Catches | Pays | Combinations | Probability | Return |
|---|---|---|---|---|
| 20 | 12500 | 137846528820 | 0.00000004 | 0.00048739 |
| 19 | 5000 | 5251296336000 | 0.00000149 | 0.00742691 |
| 18 | 558 | 88436604204000 | 0.00002502 | 0.01395848 |
| 17 | 180 | 876675902544001 | 0.00024798 | 0.0446358 |
| 16 | 32 | 5744053569793500 | 0.00162476 | 0.05199244 |
| 15 | 12 | 26468598849608400 | 0.00748691 | 0.08984294 |
| 14 | 3 | 89077015359259200 | 0.02519634 | 0.07558901 |
| 13 | 2 | 224342112756653000 | 0.06345744 | 0.12691488 |
| 12 | 1 | 429655207020554000 | 0.12153233 | 0.12153233 |
| 11 | 0 | 632136396535987000 | 0.17880619 | 0 |
| 10 | 0 | 718528370729238000 | 0.20324303 | 0 |
| 9 | 0 | 632136396535987000 | 0.17880619 | 0 |
| 8 | 0 | 429655207020554000 | 0.12153233 | 0 |
| 7 | 2 | 224342112756653000 | 0.06345744 | 0.12691488 |
| 6 | 3 | 89077015359259200 | 0.02519634 | 0.07558901 |
| 5 | 12 | 26468598849608400 | 0.00748691 | 0.08984294 |
| 4 | 32 | 5744053569793500 | 0.00162476 | 0.05199244 |
| 3 | 180 | 876675902544001 | 0.00024798 | 0.0446358 |
| 2 | 558 | 88436604204000 | 0.00002502 | 0.01395848 |
| 1 | 5000 | 5251296336000 | 0.00000149 | 0.00742691 |
| 0 | 12500 | 137846528820 | 0.00000004 | 0.00048739 |
| Total | 3535316142212170000 | 1 | 0.94322802 |
Other Keno Links
- Keno Main keno section.
- Keno appendix 1 features ananalysis of the top/bottom/left/right as as well as edgetickets as played at the Las Vegas Hilton.
- Keno appendix 2 features ananalysis of Caveman Keno as played on IGT's Game King.
- Keno appendix 3 probabilitiesand returns for basic keno at the Atlantic CityTropicana.
- Keno appendix 4 progressivekeno at the Orleans. Learn when the meter is high enough tohave a positive expectation.
- Keno appendix 5 Nevadanumbers, a progressive lottery game at some of the NevadaPark Place casinos.
- Keno appendix 6 Australian Power Keno.
Written by:Michael Shackleford
