math

Assuming you are listening to your favorite playlist that has 83 country songs, but your mom also added 9 pop. Suppose that shuffle mode is on - a song played is being selected at random (with replacement) from the playlist. Find the probability that, out of the next 13 songs, at most one will be pop song.

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asked by David
  1. P(pop) = 9/92
    so,
    P(0 pop) = (83/92)^13
    P(1 pop) = 13C1 (9/92)(83/92)^12
    add them up

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    posted by Steve
  2. @steve,

    Please I'm not clear with what you mean by 13C1. Thanks

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    posted by David
  3. I got it now. 13 combination 1. Thanks

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    posted by David

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