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

question 227

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) \(\frac { 163 } { 200 }\)

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