Consider Review Exercise 3.79. The random variables X and V represent the number of vehicles that arrive

Question:

Consider Review Exercise 3.79. The random variables X and V represent the number of vehicles that arrive at two separate street corners during a certain 2-minute period in the day. The joint distribution is for x = 0, 1, 2 , . . . , and y = 0, 1, 2, . . ..

(a) Give E(X), E(Y), Var(X), and Var(Y).

(b) Consider Z = X + Y, the sum of the two. Find E(Z) and Var(Z).

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...