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Chapter 5 Discrete Probability Distributions (Population (Mean(EV) PPT 14,…
Chapter 5 Discrete Probability Distributions
Random Varibles
Continuous Random Variable
Discrete Random Variable
Population
Mean(EV) PPT 14
E(c)=c
E(X+c)=E(X)+c
E(cX)=cE(X)
Variance PPT 15
V(X+C)=V(X)
V(cX)= c平方 V(X)
V(c)=0
Standard deviaton
Bivariate probability distributions 单变量分布 PPT25
Covariance PPT 30
Coefficient of Correlation PPT 31
Sum of two variables PPT36
E(X + Y) = E(X) + E(Y)
V(X + Y) = V(X) + V(Y) + 2COV(X, Y)
Portfolio Diversification and Asset Allocation 39
Binomial Distribution 二项分布 PPT45
Poisson distribution PPT 57
公式 PPT 60