Question #N350
A group of 20 students are surveyed about their favorite type of music. 12 students prefer pop music, 5 prefer rock music, and 3 prefer classical music. What is the probability that a randomly selected student prefers rock music?
A. 0.15
B. 0.25
C. 0.3
D. 0.6
Correct Answer is: B
The probability of a randomly selected student preferring rock music is the number of students who prefer rock music divided by the total number of students: 5/20 = 0.25.