浅谈全概率公式的教学体会  

On the teaching of tatol probability formula

作　　者：李雄英[1] 

机构地区：[1]广东财经大学统计与数学学院,广东广州510320

出　　处：《大众科技》2017年第3期78-79,89,共3页Popular Science & Technology

摘　　要：全概率公式是概率论中最基本和最重要的公式之一,在实际生活中有着诸多的应用,也是教学中的重点与难点。可通过化整为零的思想大大降低思考问题的难度,进而解决复杂问题。在教学过程中,采用先了解整体,再把整体分割成部分,通过各部分问题的解决,最后解决整体问题的思想,使学生对此公式有一个大致的印象,为掌握全概率公式打下良好的基础。Full probability formula is one of the most basic and the most important formula in probability theory, has many applications in real life,is also a key points and difficulties in teaching.Division by the idea of greatly reduced the difficulty of the thinking,and solve complex problems.In the teaching process,USES the first understand the whole,then the whole into parts,through each part of the solution of the problem,finally solve the problem of overall thoughts,make the students in this formula has a rough impression,to grasp the full probability formula to lay a good foundation.

关 键 词：全概率公式 化整为零 教学 

分 类 号：G622[文化科学—教育学]