Chapter 0, Problem 26PR

To determine

whether each situation involves a permutation or a combination and then find the number of possibilities.

Answer to Problem 26PR

The numbers of ways are 120.

Explanation of Solution

Given information :

Event is given as playing an algebra book, a geometry book, a chemistry book, an English book, and a health book on a shelf.

In the given event, arrangement does matter so it is a permutation.

The number of ways is given by,

  $\begin{array}{c}5!=5\times 4\times 3\times 2\times 1\\ =120ways\end{array}$

So, the numbers of ways are 120.