Find the Conditional Probability A Student from the Community College Is Selected at Random

Multiple Choice

Find the conditional probability.
-The age distribution of students at a community college is given below.
$\begin{array} { l c } \text { Age (years) } & \text { Number of students (f) } \\\hline \text { Under 21 } & 416 \\21 - 25 & 420 \\26 - 30 & 219 \\31 - 35 & 51 \\\text { Over 35 } & 24 \\\hline & 1130\end{array}$
A student from the community college is selected at random. Find the conditional probability that the student is between 26 and 30 given that he or she is at least

A) 26. 0.260
B) 0.745
C) 0.194
D) 1