Instruction 2-6
a Sample of 200 Students at a Large

question 47

Multiple Choice

Instruction 2-6
A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying,and whether they did well or poorly on the exam.The following table contains the result.
$$\begin{array} { | l | l | l | } \hline & \text { Did Well on Exam } & \text { Did Poorly on Exam } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went out on the weekend } & 30 & 70 \\\hline\end{array}$$
-Referring to Instruction 2-6,of those who went out on the weekend before the exam in the sample,________ percent of them did well on the exam.

• A)30
• B)15
• C)55
• D)27.27

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Definitions:

Surprise and Stress

A state of unexpected occurrences impacting mental or physical strain and changes in the body or behavior.

Paradox of Minority Influence

A phenomenon where a smaller number within a group can influence the opinions or behaviors of the majority despite their smaller status.

Accentuation Effect

A cognitive bias that involves exaggerating differences between members of distinct groups while minimizing differences within those groups.

Social Impact

The effect that individuals, organizations, or activities have on the well-being of a community or society at large.