Instruction 4 -Referring to Instruction 4

question 10

Multiple Choice

Instruction 4.2
An alcohol awareness task force at a large Australian university sampled 200 students after the final exam to ask them whether they went out to a pub on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following result was obtained.
$$\begin{array} { | l | l | l | } \hline & \text { Did Well on Exam } & \text { Did Poorly on Exam } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went to a pub } & 30 & 70 \\\hline\end{array}$$
-Referring to Instruction 4.2,the events 'Did Well on Exam' and 'Studying for Exam' are

• A) statistically dependent.
• B) collective exhaustive.
• C) mutually exclusive.
• D) None of the above.

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Definitions:

Polygamy

A marital practice in which an individual has more than one spouse simultaneously.

Sherman Antitrust Act

The 1890 United States landmark legislation designed to prevent anti-competitive agreements and to promote economic fairness and competition.

Public Good

An item or service offered to every person in a society for free, supplied by either governmental bodies or private entities or people, without any intention of making a profit.