TABLE 4-1
Mothers Against Drunk Driving Is a Very Visible

question 19

Multiple Choice

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:
$$\begin{array}{l}\text { Number of Vehicles Involved }\\\begin{array} { l c l l l c } \hline \text { Did alcohol playa role? } & 1 & 2 & 3 & \text { Totals } \\\hline \text { Yes } & 50 & 100 & 20 & 170 \\\hline \text { No } & 25 & 175 & 30 & 230 \\\text { Totals } & 75 & 275 & 50 & 400 \\\hline\end{array}\end{array}$$
-Referring to Table 4-1, given that alcohol was not involved, what proportion of the accidents were single vehicle?

• A) 25/75 or 33.33%
• B) 50/170 or 29.41%
• C) 50/75 or 66.67%
• D) 25/230 or 10.87%

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Definitions:

Telophase

The final phase of cell division where chromosomes arrive at opposite poles, nuclei reform, and the cell begins to split.

Early Prophase

The initial stage of prophase during mitosis, characterized by the condensing of chromatin into chromosomes.

Metaphase

A phase in cell division during which chromosomes position themselves at the cell's center before dividing into two distinct cells.

Telophase

The final stage of cell division where chromosomes arrive at opposite poles, nuclear envelopes reform around them, and the cell prepares to divide into two.