Transcript text: After giving a test to a group of students, below is the summary of grades by gender.
\begin{tabular}{|r|r|r|r|r|}
\hline & A & B & C & Total \\
\hline Male & 3 & 9 & 10 & 22 \\
\hline Female & 20 & 15 & 12 & 47 \\
\hline Total & 23 & 24 & 22 & 69 \\
\hline
\end{tabular}
If a student was randomly chosen, find the probability that the student earned a $C$.
Use a reduced fraction answer.
$\square$