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1、经济数学基础形成性考核答案(Theeconomicmathematicsfoundationformativeassessmentanswer)Ifseveralseriesandabsoluteconverges,theseriesmustconvergeabsolutelySeveralseriesconvergesifandonlyifeachofthefixedconditionsisequaltoyIfthelimitfunctionofthecontinuousfunctioncolumnisnotcontinuousontheinter
2、valI,itsfunctionislistedintheintervalIIftheintervalisuniformlyconvergent,thenyisuniformlyconvergentIfthefunctionhasanyderivative,itexists,soitcanexpandintoTaylorseries.NThefunctioncanbecontinuousandcontinuous.nTheextremepointmustbecontainedwithinthepointwheretheinsideoftheinter
3、valorthederivativedoesnotexist.yTheestimatedequationforlinearregressionisy=38+2x,soifweknowthatthevalueofthefuturexis30,thenwecanpredictthattheestimateofyis().98ThefollowingrelationshipisdefinedasthelengthandareaofthesquareThevarianceofthesamplevarianceisdifferentfromthedefinit
4、ionofvarianceinthenumericalcharacteristicsoftherandomvariable,whichisthatitisdividedintothemeandistanceandthesumofsquaresandthesamplesizeminus1,insteadofdividingbythesamplesizeItismainlyusedtocalculatethesamplecontentofnlessthan30andtheaverageofungroupeddatais().DirectadditionI
5、ninvestmentpractice,ithasevolvedintoafamouschartoftheKchartWheneventAandBoccursimultaneously,eventCmustoccur,andthecorrectconclusionis().ThePCisgreaterthanorequaltopapluspbminus1Basedonthetheoreticalbasis,statisticsareusedtostudyrandomphenomena,andmakereasonableestimatesandjudg
6、mentsoftheobjectiveregularityoftheobjectofstudy.ProbabilitytheoryTheprobabilityofthetargetinarandomshotis0,5,andtheprobabilityofshootingis3timesinarow,andtheprobabilityofthetargettwiceis().Theprobabilityofthetargetinarandomshotis0,5,andtheprobabilityofshootingis3timesinarow,and
7、theprobabilityofthetargettwiceis().0.375Whichofthefollowingcanbemeasuredbythepoissondistribution?ThenumberofholesinaroadThelinearregressionmethodistomakesuchaline,sothatitisthesumofthesquaresoftheminimumverticaldistancewiththepointsofthecoordinatesystemWhenthecorrelationcoeffic
8、ientofthetwovariablesisclosetotheleastvalueofthecorrel