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

question 81

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 60 or under. $\begin{array}{|l|c|c|c|}\hline & \begin{array}{c}\text { Normal } \\\text { Cholesterol }\end{array} & \begin{array}{c}\text { Elevated } \\\text { Cholesterol }\end{array} & \text { Total } \\\hline \begin{array}{l}\text { 30 and } \\\text { under }\end{array} & 17 & 4 & 21 \\\hline \text { 31-60 } & 49 & 32 & 81 \\\hline \text { 61 or older } & 22 & 76 & 98 \\\hline \text { Total } & 88 & 112 & 200 \\\hline\end{array}$

• A) \(\frac { 51 } { 100 }\)
• B) \(\frac { 49 } { 100 }\)
• C) \(\frac { 21 } { 200 }\)
• D) \(\frac { 81 } { 200 }\)

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Definitions:

Magnetite

A naturally occurring magnetic mineral, composed of iron oxide, known for its magnetic properties and used in various industrial applications.

Magnetic Lines

Imaginary lines used to represent the strength and direction of a magnetic field.

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An interaction that, when unopposed, changes the motion of an object.

Electron Spin

A fundamental property of electrons that gives them a magnetic moment, described as a quantum mechanical phenomenon.