The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below.
Music Type
|
Teenagers Surveyed
|
Teenagers Favoring This Type
|
Pop
|
800
|
384
|
Rap
|
900
|
450
|
The point estimate for the difference between the proportions is:
A. - 0.02
B. 0.048
C. 100
D. 66