Each Manager of a Corporation Was Rated as Being Either $\frac { 147 } { 160 }$

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:

What is the probability that a randomly chosen manager is either a good managers or has an advanced degree?

A) $\frac { 147 } { 160 }$
B) $\frac { 19 } { 40 }$
C) $\frac { 89 } { 160 }$
D) $\frac { 13 } { 160 }$