Answer
$\dfrac{2}{5}$
Work Step by Step
The sample space has a total of $10$ elements. With $4$ events corresponding to choosing the numbers $11,12,13,$ or $14$ then
\begin{align*}\require{cancel}
P(\text{greater than} 10)&=
\dfrac{4}{10}
\\\\&=
\dfrac{2}{5}
.\end{align*}
