A Study Was Recently Done That Emphasized the Problem We $\quad$

question 119

Multiple Choice

A study was recently done that emphasized the problem we all face with drinking and driving. Four hundredaccidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehiclesinvolved and whether alcohol played a role in the accident. The numbers are shown below. Given that anaccident involved multiple vehicles, what is the probability that it involved alcohol? $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Number of Vehicles Involved }$
$\begin{array} { r | c c c | c } \text { Did Alcohol Play a Role? } & 1 & 2 & 3 \text { or more } & \text { Totals } \\\hline \text { Yes } & 55 & 94 & 21 & 170 \\\text { No } & 25 & 170 & 35 & 230 \\\hline \text { Totals } & 80 & 264 & 56 & 400\end{array}$

• A) \(\frac { 23 } { 64 }\)
• B) \(\frac { 23 } { 80 }\)
• C) \(\frac { 3 } { 8 }\)
• D) \(\frac { 21 } { 400 }\)

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Definitions:

Parabolic Graphs

Graphical representations of quadratic functions that display a symmetrical, curved shape similar to an arch.

Sporting Events

Scheduled competitions in various sports where athletes participate to determine a winner.

Revenues

The income generated from normal business operations and includes discounts and deductions for returned merchandise.

Triangles

Triangles are three-sided polygons characterized by three edges and three vertices; they can be classified into various types based on the length of their sides and angles.