3) According to hyperbot.com, the average ITunes usr has 7160 songs in their mus

Question

3) According to hyperbot.com, the average ITunes usr has 7160 songs in their music library. Many of these songs are missing album artwork Total Has Album Artwork Type of Music Pop Rock Missing Album Artwork 3144 1738 1570 922 4230 1406 1101 423 2930 2671 1345 7160 Total (a) What percentage of the iPod songs are missing album artwork? (b) What percentage of the iPod songs have the album artwork AND are country songs? (c) What is the Marginal Distribution for the type of Music? (d) What is the conditional distribution of music type for missing album artwork?

Explanation / Answer

a)% of ipod songs are missing album artwork =(4230/7160)*100 =59.08%

b)% of ipod songs having album artwork and country song =(423/7160)*100=5.91%

c)

below is marginal distribution for type of music:

P(pop) =(3144/7160)*100=43.91%

P(Rock) =(2671/7160)*100=37.30%

P(Country) =(1345/7160)*100=18.78%

d)

below is condition distribution of music type for missing album artwork

P(pop|missing album artwork)=(1738/4230)*100 =41.08%

P(rock|missing album artwork)=(1570/4230)*100 =37.12%

P(country|missing album artwork)=(922/4230)*100 =21.80%

(please revert for any clarification)

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