Chapter 8.5, Problem 85E

To determine

To find: whether the given statement is true or false.

Answer to Problem 85E

Given statement is False.

Explanation of Solution

Given Information:

Given statemnet

“The number of pairs of letters that can be formed from any of the first 13 letters in the alphabet (A-M), where repetitions are allowed, is an example of a permutation”.

Calculation:

A permutation of $n$ different elements is an ordering of the elements such that one element is first, one is second, one is third, and so on. Form the definition itself it is clear that we can find the total pairs of letters from A to M where repitions are not allowed. In the given statement repetitions are allowed, and hence the statement is false.