If X∼Binomial(n,p)X \sim \text{Binomial}(n, p)X∼Binomial(n,p) and E[X]=4E[X] = 4E[X]=4 and Var(X)=2.4Var(X) = 2.4Var(X)=2.4, what are the values of nnn and ppp?
n=10,p=0.4n = 10, p = 0.4n=10,p=0.4
n=5,p=0.8n = 5, p = 0.8n=5,p=0.8
n=20,p=0.2n = 20, p = 0.2n=20,p=0.2
n=8,p=0.5n = 8, p = 0.5n=8,p=0.5