摘要
讨论了由逐段连续函数作用在随机变量上所得到随机变量函数的数学期望的求法及应用.
Considered the method of calculating mathematical expectation for some random variable＇s functions which are generated by sectionally continuous functions mapping onto primary random variable and its application.
出处
《高师理科学刊》
2013年第2期44-46,共3页
Journal of Science of Teachers＇College and University
基金
武汉科技大学教研项目(2012X50)
关键词
逐段连续函数
随机变量的函数
数学期望
sectionally continuous function
functions of random variable
mathematical expectation
