Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 11 - Probability and Statistics - 11-1 Permutations and Combinations - Lesson Check: 6

Answer

A $permutation$ is where the order is important, whereas in a $combination$ the order does not matter.

Work Step by Step

Within a $Permutation$, the order of selection matters. For example, placings in a competition where competitors are getting $1^{st}$, $2^{nd}$ and $3^{rd}$ is a permutation as the order in which the competitors finish is important and changes the placings. Within a $Combination$, the order does not matter. For example, the possible numbers rolled on three dice. Rolling a $1$, $2$, $3$, is the same outcome as rolling $2$, $1$, $3$.
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