# Principles of Counting

by
**loudandproudimpennyproud**

Last updated 6 years ago

** Discipline: **

Math ** Subject: **

Algebra I
** Grade:**

11

Prinicples of Counting IntroductionWe use Principles of Counting techniques to deal with large amounts of data such determine number possible comnations of event outcomesProb. (or chance is how likely an event is to happen-Prob. goes from 0 (impossible) to 1 (certain)-Prob. can be shown as fraction, decimal or percent

To find probability desried event occuring divide the # of ways desried event could happen by total # possible outcomesProbability of = # of ways desried result CAN happenevent occured total # of possible outcomes

Pair of dice is another example

A dime is common example of probability

EXAMPLE 1

EXAMPLE 2

FORMULA

Principles of Counting Introduction

By:Eliani Corriette

Webs to desribe Probability

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