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关于全概率公式的课堂教学体会

On the Classroom Teaching Experience of Total Probability Formula
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摘要 概率统计的首要问题是如何计算随机事件的概率。全概率公式是计算复杂的随机事件的概率的一种重要方法,其在我们的日常生活中有着诸多的应用。因此,如何引导学生理解和掌握全概率公式,进而熟练应用其解决实际问题,是课堂教学的重点和难点。本文先通过具体的实例引出全概率公式,然后对全概率公式的内涵和应用步骤进行剖析和总结,最后通过典型实例的讲解来巩固全概率公式的应用。通过这样循序渐进的教学方法,使学生能深刻理解和熟练应用全概率公式,从而提高课堂教学的效果。 How to calculate the probability of random events is a primary problem in probability statistics.Total probability formula is an important method for calculating the probability of complex random events and has many applications in our daily life.Therefore,how to guide students to understand and master the total probability formula and then skillfully use it to solve actual problems is the important and difficult point in classroom teaching.In this paper,we first introduce the total probability formula through a practical example,then analyze and summarize the connotation and application procedure of the total probability formula,and finally elaborate some typical real-world examples to strengthen the applications of the total probability formula.Using such progressive teaching method enables students to deeply understand and skillfully use the total probability formula,and thereby improve the effectiveness of classroom teaching.
作者 周培培 Zhou Peipei
机构地区 江苏大学理学院
出处 《科教文汇》 2018年第35期46-48,共3页 Journal of Science and Education
关键词 全概率公式 课堂教学 化整为零 加权平均 total probability formula classroom teaching break up the whole into parts weighted average
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