If X∼Binomial(n,p)X \sim \text{Binomial}(n, p)X∼Binomial(n,p), what is the skewness?
1−2pnp(1−p)\frac{1-2p}{\sqrt{np(1-p)}}np(1−p)1−2p
1−pnp\frac{1-p}{np}np1−p
p−1np\frac{p-1}{np}npp−1
000