Beta Distribution
[Bernoulli Distribution](https://texonom.com/bernoulli-distribution-bddaf7e81c9a4df8ab389521fc56e676) 


두 매개변수  $\alpha, \beta$에 따라 [0,1] 구간에서 정의되는 연속 확률 분포 family
- mean - $ \frac{\alpha}{\alpha + \beta}$ 
- 
$$x^{\alpha - 1}(1-x)^{\beta - 1}$$
### Beta Distribution Notion
|Title|
|:-:|
|[Beta Function](https://texonom.com/beta-function-172eaff2555a4cd29895af0a748727c5)|




> [Beta distribution](https://en.wikipedia.org/wiki/Beta_distribution)




