Question

Joel has an MP3 player called the Jumble. The Jumble randomly selects a song for the user to listen to. Joel's Jumble has

2
22 classical songs,
13
1313 rock songs, and
5
55 rap songs on it.

Answer 1

9/10

Explanation:

There are a total of 20 songs.

P(rock or rap) = P(rock) + P(rap)

P(rock or rap) = 13/20 + 5/20

P(rock or rap) = 18/20

P(rock or rap) = 9/10