Given the Contingency Table Shown Here, If a Survey Participant $\quad$

Given the contingency table shown here, if a survey participant is selected at random, what is the probability he/she is an undergrad who favors the change to a quarter system? $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Group Surveyed }$

$\begin{array}{|c|c|c|c|c|}\hline \text { Opinion: } &\text { Undergrads }(U) & \text { Graduates }(G) & \text { Faculty }(F) & \text { Row Total } \\\hline \text { Oppose Change (N) } &73 & 27 & 20&120 \\\hline \text { Favor Change (S) } &27 & 23 & 30&80 \\\hline \text { Col Total } &100 & 50 & 50&200 \\\hline\end{array}$

A) .270
B) .135
C) .338
D) .756