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
Definitions:
Q1: Referring to Table 2-13,if a relative frequency
Q19: True or False: If P(A and B)=
Q38: True or False: The probability that a
Q40: Referring to Table 6-2,the probability is 0.25
Q42: Referring to Table 2-14,if the sample is
Q62: Referring to Table 4-3,the probability that a
Q71: The Dean of Students conducted a survey
Q95: Referring to Table 5-8,if you decide to
Q136: Referring to Table 4-2,the events "Did Well
Q191: Referring to Table 5-7,what is the variance