全国2010年4月概率论与数理统计(经)自考试题.docx

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1、全国2010年4月概率论与数理统计(经)自考试题　一、单项选择题(本大题共10小题，每小题2分，共20分)　　在每小题列出的四个备选项中只有一个是符合题目要求的，请将其代码填写在题后的括号内。错选、多选或未选均无分。　　1.设A与B是任意两个互不相容事件，则下列结论中正确的是()　　A.P(A)=1-P(B)B.P(A-B)=P(B)　　C.P(AB)=P(A)P(B)D.P(A-B)=P(A)　　2.设A，B为两个随机事件，且，则P(A

2、B)=()　　A.1B.P(A)　　C.P(B)D.P(AB)　　3.下列函数中可作为随机变量分布函数的是()  　PartOne:Que

3、stions1-20　　Directions:Thereare20sentencesinthispart.ForeachsentencetherearefourchoicesmarkedA,B,CandD.ChoosetheONEthatbestcompletesthesentence.(在下列各题中选择一个最佳答案填空。)20%　　1.The______willhavearotatinghonorarychairman.　　A.BoardofDirectorsB.BoardsofDirector　　C.boardsofdirectorD.BoardDirectors　　2.

4、Onlyoneofthejobapplicantscankeyboardasfastas______.　　A.mineB.myself　　C.ID.me　　3.Becauseoftheconstructiondecline,______housingisavailable.　　A.fewerB.less　　C.leastD.more　　4.Checkingaccountsdiffer______savingaccounts.　　A.withB.on　　C.betweenD.from　　5.Afterinspectionoftheaboveshipment,theyfound6

5、cases______.　　A.lossB.missing　　C.missedD.losing　　6.Itmighthavebeen______whomadethebid.　　A.himselfB.his　　C.himD.he　　7.______mustbedonetosolvethisproblem.　　A.EverythingB.Something　　C.SomethingD.Anything　　8.Sheisunhappywith______oftheorder.　　A.yourhandleB.yourhandling　　C.youhandleD.youhandling

6、　　9.Acommitteeoffourmenandfivewomen______tobeappointedinthisweek’smeeting.　　A.wereB.was　　C.isD.are　　10.ThePresidenthasaskedforbudgetcuts,andCongresshasindicated______willingnesstolegislatesomeofthem.　　A.itsB.their　　C.it’sD.his　　11.Theouterpackingoftheblackteainsmallwoodencaseslooks______.　　

7、A.attractiveB.attractively　　C.beautyD.beautifully　　12.______youhaveenteredyournewofficebuilding,youprobablywouldliketorefurnishit.　　A.NowthatB.Sothat　　C.ForD.Because　　13.Inadditiontosettingthepriceofaproduct,businessfirmsmustdecide______toofferspecialdiscountandcredittermstotheircustomers.　

8、　A.ifB.which　　C.whateverD.whether　　14.Ithinkyoursisterisoldenoughtoknow______tospendallhermoneyonfancygoods.　　A.betterthanB.than　　C.otherthanD.ratherthan　　15.Ihavereceived______professionaltraining.　　A.three-monthB.three-months　　C.athree-monthD.three-mon