Probability Games
Monty Hall Problem: http://math.ucsd.edu/~crypto/Monty/monty.html
High or Low: http://www.subtangent.com/maths/higher-lower.php
Pig Game: http://cs.gettysburg.edu/projects/pig/piggame.html
High or Low: http://www.subtangent.com/maths/higher-lower.php
Pig Game: http://cs.gettysburg.edu/projects/pig/piggame.html