TABLE 2-6
A sample of 200 students at a Big-Ten university was taken 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 table contains the result.
-Referring to Table 2-6,if the sample is a good representation of the population,we can expect ________ percent of those who did poorly on the midterm to have spent the weekend studying.
A)10
B)22
C)45
D)50

Question

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken 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 table contains the result. 
-Referring to Table 2-6,if the sample is a good representation of the population,we can expect ________ percent of those who did poorly on the midterm to have spent the weekend studying.
A)10 
B)22 
C)45 
D)50

Quizplus · Accepted Answer

The correct answer is B because 22% of those who did poorly on the midterm spent the weekend studying, according to Table 2-6.

TABLE 2-6 A Sample of 200 Students at a Big-Ten University Was