Answer:
The probability that the first song will be a pop song is 3/10
Explanation:
Number of rock songs = 12
Number of pop songs = 15
Number of oldies songs = 10
Number of hip hop songs = 13
Total Number of songs = 12+15+10+13=50
So,the probability that the first song will be a pop song =

Hence the probability that the first song will be a pop song is 3/10