SECTION 25 Joint PMFs of Multiple Random Variables Problem 1

SECTION 2.5. Joint PMFs of Multiple Random Variables Problem 12. The MIT football team wits any one game with probability p, and Loses it with probability 1 - p. Its performance in each game is independent of its performance in other games. Let L1 be the number of losses before its first win, and let L2 be the number of kisses after its first win and before its second win. Find the joint PMF of L1 and L2.

Solution