Chapter 11 - Probability and Statistics - Mid-Chapter Quiz - Page 710: 22

$P(\text{integer})= 1 $

The sample space, $\{5,6,7,8,9,10,11,12,13,14\}$ has a total of $10$ elements. All the elements are integers. Hence, \begin{align*}\require{cancel} P(\text{integer})&= \dfrac{10}{10} \\\\&= 1 .\end{align*}