Solve the Problem What Percentage of Those That Were Telling the Truth Were

question 65

Multiple Choice

Solve the problem.
-The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the
Table to answer the question. $$\begin{array} { l | c c c } & \begin{array} { c } \text { Test finds } \\\text { student lying }\end{array} & \begin{array} { c } \text { Test finds } \\\text { student }\end{array} \\\hline \text { Has cheated } & 85 & 11 & \text { Thuthful } \\\text { Has not cheated } & 228 & 1676 & 1904 \\\text { Total } & 313 & 1687 & 2000\end{array}$$ What percentage of those that were telling the truth were found to be lying?

• A)12%
• B)72.8%
• C)11.5%
• D)88%

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Definitions:

Perfectly Symmetric Distribution

A type of statistical distribution where the data is uniformly distributed around the mean, showing mirror image halves on either side.

Upper Quartile

The value below which 75% of the observations in a group of data fall, marking the upper 25% of the data.

Weights

A measure of the heaviness of an object or the importance assigned to elements in a computational operation.

Police Officers

Law enforcement members responsible for maintaining public order, enforcing laws, and preventing, detecting, and investigating criminal activities.