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You have 160 songs on your MP3 player. Ihe probability of randomly choosing a rock song is 30%. How many of the songs on your MP3 player are not rock songs?

User DonDyck
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2 Answers

6 votes
Total songs = 160

probability of randomly choosing a rock song is 30%. This means 30% of your songs are rock songs.

Number of rock songs = 160 × 30/100 = 48

So, Number of songs which are not rock songs = 160 - 48 = 112

Hence, 112 songs on your MP3 player are not rock songs.
User Avedis Maroukian
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7.0k points
4 votes
160x.30=48
So you have 48 rock songs
User Earth Engine
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