# 12.11: Counting Rule to Calculate Probabilities

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Probability

Probability is the chance that something will happen. It can be written as a fraction, decimal or percent.The Counting Principle

In probability, the counting principle states that the number of outcomes for two independent events taken together is the product of the total number of outcomes for each individual event.### Image Attributions

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Find probabilities of specified outcomes using the Counting Principle.

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Date Created:

Nov 30, 2012
Last Modified:

Jul 06, 2016
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