TABLE 2-7
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 2-7, if the sample is a good representation of the population, we can expect ________ percent of the students in the population to spend the weekend studying and do poorly on the midterm.
A) 10
B) 20
C) 45
D) 50

Question

TABLE 2-7
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 2-7, if the sample is a good representation of the population, we can expect ________ percent of the students in the population to spend the weekend studying and do poorly on the midterm.
A) 10 
B) 20 
C) 45 
D) 50

Quizplus · Accepted Answer

If the sample is a good representation of the population, the percentage of students who spend the weekend studying and do poorly on the midterm should match the percentage observed in the sample, which is 10%.

TABLE 2-7 A Sample of 200 Students at a Big-Ten University Was