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Chapter 11: Problem 73

Explain the Fundamental Counting Principle.

Short Answer

Expert verified
The Fundamental Counting Principle states that if there are 'n' ways to do one thing, and 'm' ways to do another, then there are 'n*m' ways of doing both. If a food truck has 3 types of burgers and 2 types of sodas, there are '3*2 = 6' possible burger-soda combinations. It's vital in combinatorics and lays the groundwork for more complex topics like permutations and combinations.

Step by step solution

01

Define the Fundamental Counting Principle

The Fundamental Counting Principle, a cornerstone of combinatorics (a branch of mathematics concerning the study of countable, discrete structures), refers to the approach for determining the total number of possible outcomes in a multiply-linked event. More simply, if event one could occur in 'm' ways, and for each outcome of event one, event two could occur in 'n' ways, then events one and two could occur in total of 'mn' ways.
02

Illustrate with an example

To better illustrate, consider this: A food truck menu has 3 types of burgers and 2 types of sodas. To figure out how many combinations of burgers and soda exist, the Fundamental Counting Principle can be used. Calculate total combinations by multiplying the number of types of burgers \(m=3\) by the types of sodas \(n=2\). Hence total combinations equal \(mn = 3*2 = 6\).
03

Discuss the importance of the Fundamental Counting Principle

The Fundamental Counting Principle is essential because it provides a straightforward way to count the number of outcomes in multi-step experimental procedures. Moreover, understanding this principle is fundamental to succeeding in higher-level math, as it serves as a basis for more advanced combinatorial topics like permutations and combinations.

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