Each Manager of a Corporation Was Rated as Being Either $\frac { 31 } { 32 }$

Multiple Choice

Each manager of a corporation was rated as being either a good, fair, or poor manager by his/her boss. The managerʹs educational background was also noted. The data appear below:

If we randomly selected one manager from this company, find the probability that he or she has an advanced (Master's or Ph.D.) degree and is a good manager.

A) $\frac { 31 } { 32 }$
B) $\frac { 1 } { 32 }$
C) $\frac { 83 } { 160 }$
D) $\frac { 117 } { 160 }$