Important Probability Distributions Discrete Probability Distributions Binomial Distribution 。Variance of B(n,p): It follows that oR=E(X2)-候 {np·[(n-1)p]+np}-(np)2 np(1-p). To be Continued Important Probability Distributions Introduction to Statistics and Econometrics June25,2019 17/135Important Probability Distributions Important Probability Distributions Introduction to Statistics and Econometrics June 25, 2019 17/135 Binomial Distribution Discrete Probability Distributions To be Continued