A group of college DJs surveyed students to find out what music to plan for their upcorning 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: 5%. O 15%. O 10%. 20%