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OpenStudy (anonymous):
Xander spends most of his time with his 10 closest friends. He has known 4 of his 10 friends since kindergarten. If he is going to see a movie tonight with 3 of his 10 closest friends, what is the probability that the first 2 of the friends to show up to the movie are friends he has known since kindergarten but the third is not?
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OpenStudy (anonymous):
help?
OpenStudy (anonymous):
Being timed.
OpenStudy (anonymous):
Thanks..... thanks nobody and everybody who didn't help.
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