「Odds in statistics and Odds in a horse race」の版間の差分
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Vaccipedia.admin (トーク | 投稿記録) (ページの作成:「==Definition of Odds in statistics== <math> Odds=\frac{probability\ that\ the\ outcome\ occurs}{probability\ that\ the\ outcome\ does\ not\ occur} </math>」) |
Vaccipedia.admin (トーク | 投稿記録) |
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3行目: | 3行目: | ||
Odds=\frac{probability\ that\ the\ outcome\ occurs}{probability\ that\ the\ outcome\ does\ not\ occur} | Odds=\frac{probability\ that\ the\ outcome\ occurs}{probability\ that\ the\ outcome\ does\ not\ occur} | ||
</math> | </math> | ||
+ | |||
+ | ==Example of a horse rase== | ||
+ | ===Assumption=== | ||
+ | In order to simplify, the bookmaker in the following scenario does not charge any betting fees | ||
+ | |||
+ | ===A race that 5 horses start and 10 bettors bet=== | ||
+ | Here is a horse race that 5 horses start and 10 people ---10 bettors--- bet each of 5 horses. | ||
+ | |||
+ | Names of horses are A, B, C, D and E. | ||
+ | |||
+ | {|class="wikitable" | ||
+ | |- | ||
+ | !style="width:50px"|Horses | ||
+ | |- | ||
+ | |A | ||
+ | |- | ||
+ | |B | ||
+ | |- | ||
+ | |C | ||
+ | |- | ||
+ | |D | ||
+ | |- | ||
+ | |E | ||
+ | |} |
2022年11月6日 (日) 23:16時点における版
目次
Definition of Odds in statistics
[math]\displaystyle{ Odds=\frac{probability\ that\ the\ outcome\ occurs}{probability\ that\ the\ outcome\ does\ not\ occur} }[/math]
Example of a horse rase
Assumption
In order to simplify, the bookmaker in the following scenario does not charge any betting fees
A race that 5 horses start and 10 bettors bet
Here is a horse race that 5 horses start and 10 people ---10 bettors--- bet each of 5 horses.
Names of horses are A, B, C, D and E.
Horses |
---|
A |
B |
C |
D |
E |