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OpenStudy (brinazarski):
Ellyssa has 6 mystery books and 5 science fiction books on her shelf. She takes down 4 books at random. What is the probability that she has 3 mysteries and 1 science fiction book? I don't even know where to start.
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OpenStudy (brinazarski):
Maybe I read your mind... I suddenly got the idea to do that just before you posted :)
OpenStudy (brinazarski):
... but that's the wrong answer.
OpenStudy (brinazarski):
The answer is 10/33.
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