数学期望在理性决策中的应用  

The Application of Mathematic Expectation in Sense Decision-making

作　　者：贺小萍[1] 

机构地区：[1]浙江国际海运职业技术学院,浙江舟山316021

出　　处：《重庆电子工程职业学院学报》2009年第2期118-119,共2页Journal of Chongqing College of Electronic Engineering

摘　　要：数学期望是随机变量的重要数学特征之一,本文通过几个实例来说明数学期望在实际问题中的应用,从而积累一些生活经验,同时也进一步揭示了概率统计与实际生活的密切联系。Mathematic expectation is one of important mathematic characteristics of Random Variable. This paper discusses the application of mathematic expectation among of practice matters which through several examples, so as to accumulate some living experiences. Meanwhile it much expresses the closely relationship between probability statistics and practicality life.

关 键 词：随机变量 数学期望 应用 

分 类 号：O29[理学—应用数学]