数学期望的应用

目 录
前言.....................................................................1
1 数学期望的定义及性......................................................2
2 应用举例...............................................................4
2.1 数学期望在证明某些不等式的应用.........................................4
2.2 数学期望在通信中的应用................................................7
2.3数学期望在决策中的应用.................................................9
2.4数学期望在疾病普查中的应用.............................................10
2.5数学期望在揭开街头骗局中的应用.........................................13
2.6数学期望在防扒中的应用................................................16
3 小结..................................................................21
4参考文献...............................................................22
5 致谢................................................................23

数学期望的应用

摘要

数学期望是随机变量的重要数学特征之1，本文通不过等式的证明、效益与利润和疾病普查等1些例子，阐述数学期望在数学其他分支和实际问题的广泛应用。

关键词：随机变量；数学期望；数学期望的应用

Applications of mathematical expectation

Abstract

Mathematical expectation is one of the important character of randon variable.the thesis will expound the application of the mathematical expectation in other embranchments of mathematical and real prombers,the prooves by some cases,such as of inequalities,profit and the investigation of illness,etc.
 
Keywords: Randon variable; Mathematical expectation; Applications of mathematical expectation

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