1. ©G Dear 2009 – Not to be sold/Free to use
Language
of Chance
General Mathematics
Preliminary
Counting Principle
Stage 6 - Year 11
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©G Dear 2009 – Not to be sold/Free to use

2. Fundamental Counting Principle (1/1)
The number of elements in a sample space can be calculated by multiplying the number of ways in each stage of selection.
Example:
A committee is made up of 3 people.
One from each of three groups.
Group A (5), Group B (2) and Group C (3)
n(S) = 5
x 2
x 3
= 30
Group A
Group B
Group C