The Contingency Table Below Represents Employees of a Communications Company

Essay

The contingency table below represents employees of a communications company classified by age and field of expertise. Fill in the missing entries.
​ $$\begin{array} { | l | c | c | c | c | } \hline & \text { Under } \mathbf { 3 5 } & \mathbf { 3 5 } - \mathbf { 4 4 } & \mathbf { 4 5 } + & \text { Total } \\\hline \text { Engineering } & 7,635 & 7,875 & 6,429 & \mathbf { 2 1 , 9 3 9 } \\\hline \text { Business } & 13,195 & & & \mathbf { 3 8 , 8 1 4 } \\\hline \text { Education } & 4,802 & 5,143 & & \\\hline \text { Liberal Arts } & 10,377 & 10,440 & 11,010 & 31,827 \\\hline { \text { Total } } & \mathbf { 3 6 , 0 0 9 } & & \mathbf { 3 7 , 3 1 3 } & \mathbf { 1 1 0 , 4 0 5 } \\\hline\end{array}$$ ​