Answer :
Joe has a selection of music on his mp3 player.
He has 21 classical songs, 243 rock songs, 125 rap songs and 1 country song.
What is the probability that the first 2 songs he randomly chooses are rap?
Solution
We have 21 classical songs,
243 rock songs,
125 rap songs and
1 country song
Total : 390
Probability that the first 2 songs he randomly chooses are rap
= 125 / 390 X 125 / 390
= 625 / 6084