Interactive Applet – Conditional Probability

Now that we have introduced conditional probability concepts, try this interactive demonstration which uses Venn diagrams to illustrate the probabilities we have been discussing.

You can choose which event to shade and move the events around. Pretty neat!

This site uses a different notation instead of “AND” and “OR.” The U = OR, two events with nothing between them = AND, and the c as a superscript (in the exponent location) is for complement.

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This document is linked from Conditional Probability and Independence.