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.

-Referring to Scenario 4-2,the events "Did Well on Midterm" and "Studying for Exam" are
A)dependent.
B)mutually exclusive.
C)collective exhaustive.
D)None of the above.

Question

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.
 
-Referring to Scenario 4-2,the events "Did Well on Midterm" and "Studying for Exam" are
A)dependent. 
B)mutually exclusive. 
C)collective exhaustive. 
D)None of the above.

Quizplus · Accepted Answer

The events "Did Well on Midterm" and "Studying for Exam" are dependent because it is reasonable to assume that students who studied for the exam are more likely to do well on it.

SCENARIO 4-2 An Alcohol Awareness Task Force at a Big-Ten University Sampled