Use the Data in the Table Categorizing Cholesterol Levels by the Ages

Multiple Choice

Use the data in the table categorizing cholesterol levels by the ages of the individuals in a study. If one person from the study is chosen at random, find the probability of the given event.
-The person is between 31 and 60, inclusive, or elevated cholesterol. $$\begin{array} { | l | c | c | c | } \hline & \begin{array} { c } \text { Normal } \\\text { Cholesterol }\end{array} & \begin{array} { c } \text { Elevated } \\\text { Cholesterol }\end{array} & \text { Total } \\\hline \begin{array} { l } \text { 30 and } \\\text { under }\end{array} & 15 & 3 & 18 \\\hline \mathbf { 3 1 - 6 0 } & 51 & 30 & 81 \\\hline \mathbf { 6 1 } \text { or older } & 19 & 82 & 101 \\\hline \text { Total } & 85 & 115 & 200 \\\hline\end{array}$$

A) $\frac { 83 } { 100 }$
B) $\frac { 21 } { 50 }$
C) $\frac { 17 } { 100 }$
D) $\frac { 163 } { 200 }$