$$\text { TABLE 4-1 }$$ Mothers Against Drunk Driving Is a Very Visible Group Whose

$$\text { TABLE 4-1 }$$ Mothers Against Drunk Driving is a very visible group whose main focus is to educate the public about the harm caused by drunk drivers. A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below:
$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Number of Vehicles Involved }$
$\begin{array}{lccccc}\text { Did alcohol playa role? } & 1 && 2 & 3 & \text { Totals } \\\hline \text { Yes } & 50 & & 100 & 20 & 170 \\\hline \text { No } & 25 & & 175 & 30 & 230 \\ \text { Totals } & 75 && 275 & 50 & 400 &\\\hline \end{array}$

-Referring to Table 4-1, given alcohol was involved, what proportion of accidents involved a single vehicle?

A) 120/400 or 30%
B) 50/170 or 29.41%
C) 120/170 or 70.59%
D) 50/75 or 66.67%