SCENARIO 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 Scenario 2-6,if the sample is a good representation of the population,we can expect_____ percent of those who spent the weekend studying to do poorly on the midterm.
A)10
B)20
C)45
D)50

Question

SCENARIO 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 Scenario 2-6,if the sample is a good representation of the population,we can expect_____ percent of those who spent the weekend studying to do poorly on the midterm.
A)10 
B)20 
C)45 
D)50

Quizplus · Accepted Answer

Looking at the table, out of the 100 students who spent the weekend studying, 20 did poorly on the midterm. This means that 20% of those who spent the weekend studying did poorly on the midterm. If we assume that the sample is a good representation of the population, we can expect a similar percentage of students who spend the weekend studying to do poorly on the midterm, which is 20%. Therefore, the best answer is B.

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