TABLE 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 Table 4-2, the events "Did Well on Midterm" and "Studying for Exam" are
A) not statistically dependent.
B) not mutually exclusive.
C) collective exhaustive.
D) None of the above.

Question

TABLE 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 Table 4-2, the events "Did Well on Midterm" and "Studying for Exam" are
A) not statistically dependent. 
B) not mutually exclusive. 
C) collective exhaustive. 
D) None of the above.

Quizplus · Accepted Answer

The events "Did Well on Midterm" and "Studying for Exam" are not mutually exclusive because it is possible for both events to occur simultaneously.

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