A radio disc jockey has

8

songs on this upcoming hour's playlist:

4

are rock songs,

2

are reggae songs, and

2

are country songs. The disc jockey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. What is the probability that the first song is a reggae song and the second is a rock song? Write your answer as a fraction in simplest form.

Question

Guest

Mathematics

9 March, 18:05

A radio disc jockey has

8

songs on this upcoming hour's playlist:

4

are rock songs,

2

are reggae songs, and

2

are country songs. The disc jockey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. What is the probability that the first song is a reggae song and the second is a rock song? Write your answer as a fraction in simplest form.

+1

Answers (1)

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Gilmore · Answer 1

The reggae song has a 25% chance of playing (1/4th). Assuming the DJ keeps all the songs in the rotation the Rock song has a 50% chance of being played (1/2)