摘要
通过对概率论和概率论中数学期望的历史发展的叙述以及定义的阐述,简要说明了研究概率和数学期望的必要性和在生活中的广泛应用,探讨了关于数学期望的多种具有现实意义的计算方法,旨在数学期望的模型能在实际教学以及应用中让人更加得心应手。
This article ,by probability theory ,the historical development and narration of mathemati-cal expectation of probability theory ,attempts to show us the necessity of mathematical expectation and simple probability as well as the wide application of them .After that ,the article discusses some realistic calculation methods of mathematical expectation ,expecting to make the model of mathematics widely used in practical teaching .
出处
《牡丹江教育学院学报》
2014年第4期59-60,共2页
Journal of Mudanjiang College of Education
关键词
概率论
数学期望
计算方法
probability theory
mathematical expectation
calculation method
