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OpenStudy (anonymous):
Suppose 5 men and 7 women are on a crowded elevator. At the next floor, four people get off the elevator. Find the probability that none are women.
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OpenStudy (anonymous):
i think it's Pr= n(E)/n(U) = C(5,4)/(2^4) = 0.3125
OpenStudy (anonymous):
Okay thanks
OpenStudy (anonymous):
no problem...medal pls :)
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