Question: 6
(Choose 1 answer)
(See picture)
A. 15
B. 27.27
C. 30
D. 55
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.
Did Well in
Midterm
Did Poorly in
Midterm
Studying for
80
20
Exam
Went Bar
30
70
Hopping
Of those who went bar hopping the weekend before the
midterm in the sample,
percent of them did well on
the midterm.
