SCENARIO 4-2
an Alcohol Awareness Task Force at a Big-Ten

question 95

Multiple Choice

SCENARIO 4-2
An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to
ask them whether they went bar hopping the weekend before the midterm or spent the weekend
studying, and whether they did well or poorly on the midterm. The following result was obtained. $$\begin{array} { | l | l | l | } \hline & \text { Did Well on Midterm } & \text { Did Poorly on Midterm } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went Bar Hopping } & 30 & 70 \\\hline\end{array}$$
-Referring to Scenario 4-2, what is the probability that a randomly selected student did well on the midterm and also went bar hopping the weekend before the midterm?

• A) 30/200 or 15%
• B) (80+30)/200 or 55%
• C) (30+70)/200 or 50%
• D) (80+30+70)/200 or 90%

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Definitions:

Endocrine

Pertaining to the system of glands that release hormones directly into the bloodstream, influencing various bodily functions.

Development

The process of growth and change that organisms undergo over their lifetimes, encompassing physical, cognitive, and social aspects.

Metabolism

The biochemical processes that occur within a living organism to maintain life, involving the production and use of energy.

Organization

The arrangement of elements and resources in a structured and coordinated manner to achieve desired objectives.