These sites simulate the birthday problem:
http://www.mste.uiuc.edu/reese/birthday/intro.html#simulation
These sites simulate playing a slot machine.
http://www.thepcmanwebsite.com/media/flash_slots
http://www.freeslots.com/Slot507.htm… See the whole entry
This site (which may too advanced) discusses odds for real world games
http://wizardofodds.com/
This site discusses the odds of gambling:
http://www.pbs.org/wgbh/pages/frontline/shows/gamble/odds/
This site discusses conditional probability and then goes beyond the text’s discussion and discusses Bayes’ Rule.
http://www.stattrek.com/probability/bayes-theorem.aspx… See the whole entry