(1) Notes on Ballot Problems.
(2) Notes on the Inclusion-Exclusion Formula and its applications.
(3) Notes on the Gambler's Ruin problem.
(4) Notes on the DeMoivre-Laplace Theorem.
(5) Notes on the probabilistic applications of the change of variables formulas.
(6) Notes on the fundamental limit theorems.
(7) Notes on the Poisson process.
(8) Notes on Markov chains.