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4710220-1、、、、..O211A1009-4970201108-0023-020-1、、、、....11.10-11XPX=0=1-pPX=1=p0<p<1Xp0-1.0-1.0-1.1.22XPX=k=Cknpk1-pn-kk=01…nn≥10<p<1XnpX~bnp2nAAp.AAAμn.μn..1.33XPX=k=λkke-λk=012…λ>0XλX~Pλ.4.npnpbnpPλλ=np...22.14Xfx=1b-aa≤x≤b0{Xa[]bX~Uab.2011-01-17“”2010-JKGHAG-04061982-.20118308JournalofLuoyangNormalUniversityAug.2011Vol.30No.8.、.10010.2.25Xfx=λe-λxx>00{λ>0XλX~eλ.XX.、、..XstPX>s+t|X>s=PX>t.XX2.“”.2.36Xfx=12槡πσe-x-μ22σ2-∞<x<+∞μσσ>0Xμσ2X~Nμσ2.1733.-.Nμσ2“”“”..3..1.M.1996.2.M.2004.3.M.2006.4.M.2005.TheSixCommonDistributionsinProbabilityTheoryCUIHuan-huanWANGFeng-huiCollegeofMathematicsScienceLuoyangNormalUniversityLuoyang471022ChinaAbstractThispapermainlydiscussestheoriginsandapplicationsofthesixcommondistributionsinprobabil-itytheoryincluding0-1distributionbinomialdistributionPoissondistributionuniformdistributionexponen-tialdistributionnormaldistribution.Ourdiscussioncanhelpthestudentsinunderstandingandmasteringthecon-tentofthispart.Keywordsprobabilitydistributiondiscretedistributioncontinuousdistribution·42·20118
本文标题:概率论中的六种常用分布
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