LIST I

LIST II

 A. $x_1+x_2=2$ and $P\left(x_1\right)= P\left(x_2\right)=\frac{1}{2}$, then $E(x)$ 

 I. $\frac{4}{3}$ 

 B. The mean of a Binomial distribution $B\left(4, \frac{1}{3}\right)$ 

 II. $\frac{5}{12}$ 

 C. Variance of probability distribution of number of sixes in 3 throws of a die 

 III. $\frac{1}{2}$ 

 D. Mean of probability distribution of number of sixes in 3 throws of a die 

 IV. 1