摘要
分球入盒和随机取数是概率论中2个重要的古典概型,随机取数模型往往可以转化为分球入盒模型.通过举例说明分球入盒模型在随机取数问题中的妙用之处.该方法形象直观,便于学生理解,有利于提高教学效果,激发学生学习兴趣.
The models of placing balls into cells and random sampling numbers are two important classical models in probability theory,the model of random sampling numbers can be changed into the model of placing balls into cells.The magic effect of placing balls into cells in solving the problems of random sampling numbers was explained by giving some examples.This method is visual,easy for students to understand,conducive to improve the teaching effect and stimulate students′interest in learning.
作者
高珊
GAO Shan(School of Mathematics and Statistics,Fuyang Normal University,Fuyang 236037,China)
出处
《高师理科学刊》
2020年第11期98-100,共3页
Journal of Science of Teachers＇College and University
基金
安徽省高等学校省级质量工程项目(2018kfk067)——精品线下开放课程:概率论与数理统计
阜阳师范大学品牌专业建设项目(2019PPZY01)
阜阳师范大学基础教育研究成果培育项目(2017JCJY13)。
关键词
分球入盒
随机取数
概率问题
placing balls into cells
random sampling number
probability problem
