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2007 (1)

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数学证明每个人应该信上帝
(2007-04-03 17:00:38)
LetXbeyourreturnifyoudon'tbelieveinGod.Ithasthefollowingdistribution:
X=whatever,withprobability1-p
X=goingstraighttohell(negativeinfinity),withprobabilityp
wherep=probabilitythatGodexists
Nowcalculatetheexpectation.Noticethat,ifGodexists,nomatterhowsmallpis,yourexpectationwillbenegativeinfinity.(Wearesurethis"whatever"isnotpositiveinfinity.)
So,youdon'tneedtobelieveinGodonlywh...[阅读全文]
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