$\displaystyle S_X=\left\{0,1,\cdots,n\right\}$
$\displaystyle p_k=\binom{n}{k}p^k(1-p)^{n-k}$
$\displaystyle V[X]=np(1-p)$
$\displaystyle p_k=\binom{n}{k}p^k(1-p)^{n-k}$
$\displaystyle k=0,1,\cdots,n$
$\displaystyle E[X]=np$$\displaystyle V[X]=np(1-p)$
Source: Leon-Garcia Table 3.1
이항확률변수
binomial random variable
![[https]](http://www.red-ruby.com/wiki/imgs/https.png)
수학백과: 이항확률변수(https://terms.naver.com/entry.naver?docId=3338180&cid=47324&categoryId=47324)
binomial random variable
수학백과: 이항확률변수(https://terms.naver.com/entry.naver?docId=3338180&cid=47324&categoryId=47324)