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The theoretical probability that a pop song plays on your MP3 player is 0.45. There are 80 songs on your MP3 player. How many of the songs are pop songs? ___ songs on your MP3 p…

The theoretical probability that a pop song plays on your MP3 player is 0.45. There are 80 songs on your MP3 player. How many of the songs are pop songs? ___ songs on your MP3 p…
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The theoretical probability that a pop song plays on your MP3 player is 0.45. There are 80 songs on your MP3 player. How many of the songs are pop songs?

___ songs on your MP3 player are pop songs.

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User Squaregoldfish
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1 Answer

5 votes
If the probability of pop songs is 0.45, that means the expected value of the number of pop songs is .45 x 80 =36 pop songs
answered
User Coryj
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8.3k points
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