Re: my friend says he\'s unlucky
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Series 1: 25 cards in a deck. 14 unfavorable cards. I hold 14 cards. The probability that 12 out of the 14 are unfavorable.
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C(14,12)*C(11,2) / C(25,14) =~ 0.11% or 1 in 891
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Series 2: given 150 people, 28 seats available, the probability of NOT getting a seat 15 times in a row. Is this just 1/150 + 1/149 + ... 1/135?
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No. (122/150)^15 =~ 4.5% or 1 in 22
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