Instruction 4 -Referring to Instruction 4

question 12

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 'Did Poorly on Exam' are

• A) statistically dependent.
• B) collective exhaustive.
• C) mutually exclusive.
• D) All of the above.

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Definitions:

Blast

A sudden and violent release of energy, often resulting in an explosion, or in biology, a precursor cell that can differentiate into various types of cells.

Ory

A suffix meaning 'pertaining to' or 'of the nature of,' used in the formation of adjectives.

Edema

A medical condition characterized by the accumulation of excess fluid in the body's tissues, causing swelling, often affecting the legs, arms, and other areas.

Ectasis

A medical term referring to the dilation or expansion of a hollow structure or organ.