F(x, y) is the value of the joint distribution function of two discrete random variables X and

Question:

F(x, y) is the value of the joint distribution function of two discrete random variables X and Y at (x, y), show that

(a) F(-∞,-∞) = 0;

(b) F(q, q) = 1;

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...