There Are 27,842 Undergraduate Students Enrolled at a Certain University

Multiple Choice

There are 27,842 undergraduate students enrolled at a certain university. The age distribution is as follows:
$\begin{array}{cc}\hline \text { Age Range } & \text { Number } \\\hline 13-14 & 2 \\15-17 & 49 \\18-22 & 11,563 \\23-30 & 9568 \\31 \text { and up } & 6660 \\\hline \text { Total } & 27,842\end{array}$
What is the probability that a student is between 23 and 30 years old?

A) 0.344
B) 0.583
C) 0.417
D) 0.239