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Mathematics 16 Online
OpenStudy (anonymous):

Suppose a compact disk has 13 tracks, of which you like 4 tracks. One randomly selected song is played each time for 5 times (with replacement). What's probability I like 2 songs (It says to use the binomial probability formula)

OpenStudy (anonymous):

Some one help, I'm confused

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

@perl

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