数量分析部分.doc

文档介绍：QuantitativeAnalysisReviewofProbabilityDefinerandomvariables,:0%urate?,20wereperfect,%.您的答案:未作答正确答案:C答案解析:=%.第2题平均正确率:100%LetAandBbetwomutuallyexclusiveeventswithP(A)=(B)=:(AandB)=(B|A)=(AorB)=(AandB)=:未作答正确答案:A答案解析:Ifthetwoevensaremutuallyexclusive,:0%%andtheprobabilityofgettingintoYale(hisfather’salmamater)is42%.%.eptedateitherHarvardorYale?%.%.%.%.您的答案:未作答正确答案:A答案解析:Usingtheadditionrule,eptedatHarvardorYale,isequalto:P(Harvard)+P(Yale)−P(HarvardandYale)=+−=%.第2题平均正确率:0%Atwo-(heads)andtheprobabilityoffacedown(tails),theprizeis$1forheads,$2fortails,and$?A.$.$.$.$:未作答正确答案:D答案解析:,:(×$50)+(×$1)+(×$2)=$:0%(B|A),andtheprobabilityof(B|AC)’formula,whatistheprobabilityof(A|B)?