摘要
主要讨论数学期望的线性法则及其使用问题,数学期望的和的法则及其使用问题,数学期望的积的法则及其使用问题。
This paper mainly deals with the linear rule expected by mathematics and its application,the sum rule expected by mathematics and its application,and the product rule expected by mathematics and its application.
出处
《新疆教育学院学报》
2008年第4期128-129,共2页
Journal of Xinjiang Education Institute
关键词
线性
和
积
数学期望
法则
linear
sum
product
mathematical expectation
rule
