Applied Probability Society

A subdivision of the Institute for Operations Research and the Management Sciences (INFORMS) concerned with the application of probability theory to systems that involve random phenomena.

http://appliedprob.society.informs.org/

ArXiv Front: PR Probability Theory

Probability section of the mathematics e-print arXiv

http://front.math.ucdavis.edu/math.PR

Math Surprises: An Example

Buffon's Needle simulation and a surprising demonstration of Barbier's theorem about shapes of constant width

http://www.cut-the-knot.org/ctk/August2001.shtml

Parrondo Paradox

Parrondo Paradox simulation and a demonstration of the ratchet effect.

http://www.cut-the-knot.org/ctk/Parrondo.shtml

Probabilistic Learning Activities Network

Probability activities and simulations in the form of applets and spreadsheets. This site advocates a Question/Hypothesis/Experiment approach to learning probability.

http://www.planetqhe.com/

Probabilistic Thinking

By Richard Jeffrey. HTML.

http://www.princeton.edu/~bayesway/ProbThink/

Probability Guide for Non-mathematicians

Probability theory basics, applications (including to gambling), interpretations, books, free texts.

http://probability.infarom.ro/

The Applied Probability Trust

A non-profit foundation for study and research. Publications feature research journals, a student magazine and occasional special volumes.

http://www.appliedprobability.org/

The Collector's Problem and the Two-Dimensional Factorial

In finding a new solution to a classic probability problem concerning the collection of items in a set, a new and useful recursive function has been found, the "two-dimensional factorial."

http://www.jefflindsay.com/2dfactorial.shtml

The Laymans Guide to Probability

An in-depth but easily readable guide on probability theory, covering various aspects of theory with a bias to gambling games.

http://www.probabilitytheory.info/

The Probability Web

A collection of pages maintained by Bob Dobrow to serve people with interests in probability theory and its applications.

http://www.mathcs.carleton.edu/probweb/probweb.html