Answered

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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? (Show your work)

Sagot :

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

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