5. Figure 2 is a histogram showing the distribution of the time taken in minutes, \(t\), by a group of people to swim 500 m .
\begin{figure}[h]
\captionsetup{labelformat=empty}
\caption{Figure 2}
\includegraphics[alt={},max width=\textwidth]{a58a2c41-3a53-41cc-b80f-84adb04a5f5c-11_547_1120_333_374}
\end{figure}
a Find the probability that a person chosen at random from the group takes longer than 18 minutes.