Math Bench Probability and Statistics: Basic Rules of Probability

By Dr. Kaci Thompson1, Dr. Kären Nelson1

1. University of Maryland

View Link (HTM)

Licensed according to this deed.

Published on


This resource has been updated - find the current version here:

This is an online activity that explains basic concepts of probability. Some concepts introduced include when to add or multiply probabilities, and independent and mutually exclusive events. Biological applications of probability are also mentioned, such as genetic inheritance and survival.

Cite this work

Researchers should cite this work as follows:

  • Thompson, K., & Nelson, K. (n.d.). Probability: Laws of AND and OR. MathBench. Retrieved from