“概率与统计”是小学、初中、高中乃至大学都开设的内容,它与我们的生活密切相关。在生活中,看似偶然性的结果都有必然的原因,为了使学生明白日常简单的游戏及生活现象的原因,初中数学教学每年都设有“概率与统计”的内容。我在教授时,认为 “Probability and Statistics ” is the content of elementary school, junior high school, high school and even college. It is closely related to our life. In life, seemingly accidental results have a certain reason, in order to make students understand the daily simple games and the reasons for the phenomenon of life, junior high school mathematics teaching each year with “Probability and Statistics” content. When I was a professor, I thought