Provided below is a list of study materials and Web resources to supplement the lecture note and assignment sections.
Set Theory Venn Diagrams (PDF)
A series of short combinatorics chestnuts at Math Pages
Collection of probabilities for various styles of poker
Simulation of the Monty Hall problem
The Two-Envelope Paradox, similar to Monty Hall
List of probability paradoxes, with linked solutions
JavaTM applet that plays Sim (based on Ramsey theory)
More wide-ranging set of open problems
Generating functionology, a classic on generating functions (may be a little hard)