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Combining the Rules of Probability

Combining the Rules of Probability

Author: Michael Morgan
Description:

The purpose of this packet is to demonstrate the use of a tree diagram in combining multiplication and addition probability problems. After the demonstration, a definition for the rule for computing compound probabilities will be provided along with examples.

By now you should have a fairly decent grasp on the concepts of probability as separate rules. Well. it's time to combine those rules you have already learned. In this packet, we will take a look at the usefulness of a tree diagram when combining multiplication and addition probability problems. Once we have finished with that, we will define the rule for computing compound probabilities and go through a couple examples.

Mike Morgan and Andrew Cero

Packet Cover Image: http://www.dreamstime.com/roulette-image13651637 by Rawlik

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Tutorial

Refresh Yourself

Tree Diagram

Source: Andrew Cero

Dependent Events

Here is a link to an explanation about dependent events in probability.

http://www.tpub.com/math2/88.htm

Dependent Events