Given the Contingency Table Shown Here, Find the Probability That

Multiple Choice

Given the contingency table shown here, find the probability that a randomly chosen employee is a line worker who plans to retire at age 65. Survey question: Do you plan on retiring or keep working when you turn 65? $$\begin{array} { | l | c | c | c | } \hline\text { Employee } & \text { Retire } ( R ) & \text { Work } ( W ) & \text { Total }\\\hline \text { Management } ( M ) & 13 & 18 &31 \\\hline \text { Line worker } ( L ) & 39 & 54 & 93 \\\hline \text { Total } & 52 & 72 & 124\\\hline\end{array}$$

A) .227
B) .419
C) .750
D) .315