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1、淮北师范大学2011届学士学位论文概率统计理论解释投资风险与收益问题学院、专业:数学科学学院数学与应用数学研究方向:概率统计学生姓名:郭龙学号:20071441069指导教师姓名:马建华指导教师职称:副教授2011年4月10日5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprot
2、ectingtheregionalpositionandachieve概率统计理论解释投资风险与收益问题郭龙(淮北师范大学数学科学学院,淮北,235000)摘要本文主要从两个部分讲述概率统计理论解释投资风险与收益问题.第一部分,通过对概率统计理论中的期望的定义、计算以及应用来解释投资收益的问题,并且给出相关的例题进一步解释该问题.第二部分,首先分别分析投资收益在服从正太分布以及随机分布的情况下利用概率统计理论知识中的方差计算风险,解释投资风险问题.然后分析投资收益与投资风险的联系,即投资风险与投资收益两者之间怎么变化.最后给出计算投资风险的例子进一步解释投资风险及其相关问题.关键词:概率统计,
3、投资风险,投资收益5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieveTheProblemofInvestmentRiskandInvestmentProfitareexplainedbyProbabilit
4、yandStatisticsGuoLong(SchoolofMathematicalSciencesofHuaibeiNormalUniversity,Huaibei,235000)AbstractThisarticlemainlyexplainstheproblemofinvestmentprofitandinvestmentriskbyprobabilityandstatisticstheoriesfromtwoparts.Inthefirstpart,itexplainsinvestmentprofitthroughthedefinition,calculationandapplicat
5、ionofexpectationsfromtheprobabilityandstatisticstheories,andgivesafurtherrelatedexplanationbysomeexamplesofthisproblem.Inthesecondpart,firstly,usethevarianceinprobabilityandstatisticstheoriestocalculatetheinvestmentriskfromtwosituations:whenitobeysthenormaldistributionandrandomdistribution.Thenanaly
6、zestheconnectionsbetweeninvestmentprofitandinvestmentrisk,howchangestheconnectionsbetweeninvestmentriskandinvestmentprofit.Finallyitgivessomeexamplestocalculateinvestmentriskanditsrelatedproblems.Keywords:probabilityandstatistics,investmentrisk,investmentprofit5.1-9,,services,andmakethecitymoreattra
7、ctive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve目录引言1一、概率统计理论解释投资