A group of college DJs surveyed students to find out what music to plan for their upcoming parties. Thirty percent of the students preferred dubstep, 25% of the students liked trance music, and 20% wanted to hear only house music. Fifteen percent of the respondents selected both dubstep and trance. The proportion of students that like trance music but not dubstep is:
A)5%.
B)10%.
C)15%.
D)20%.

Question

Quizplus · Accepted Answer

To find the proportion of students that like trance music but not dubstep, we first need to subtract the 15% that selected both dubstep and trance from the 25% that like trance music. This gives us 10% who like trance music but not dubstep. Therefore, the answer is B) 10%.

A Group of College DJs Surveyed Students to Find Out