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There are 12 signs of the zodiac. Assuming that a person is just as likely to be born under one sign as another, what is the probability that in a group of 5 people at least two of them ... K 5 0.300000000000 6 0.450000000000 7 0.514285714286 8 0.535714285714 9 0.535714285714 10 0.525000000000 11 0.509090909091 12 0.490909090909 13 0 ... ................
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