The Following Contingency Table Provides a Joint Frequency Distribution for a Group

The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement $$\begin{array} { | c | c | c | c | c | c | } \hline \text { Career } & 50 - 55 & 56 - 60 & 61 - 65 & \text { Over 65 } & \text { Total } \\\hline \text { Attorney } & 10 & 34 & 79 & 42 & 165 \\\hline \begin{array} { c } \text { College } \\\text { Professor }\end{array} & 10 & 50 & 81 & 41 & 182 \\\hline \text { Secretary } & 21 & 45 & 63 & 49 & 178 \\\hline \text { Store Clerk } & 18 & 44 & 70 & 50 & 182 \\\hline \text { Total } & 59 & 173 & 293 & 182 & 707 \\\hline\end{array}$$ Find the probability that the person was an attorney and retired before the age of 61.

A) 0.190
B) 0.267
C) 0.048
D) 0.062
E) 0.499

Correct Answer:

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