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全国高考统一考试大纲明确指出:“了解超几何分布,并能进行简单应用。”“理解n次独立重复试验模型及二项分布,并能解决一些简单问题。”“借助直观直方图认识正态分布曲线的特点及曲线所表示的意义。”人教A版选修2-3中涉及了两点分布、超几何分布、二项分布与正态分布,根据这些内容与要求,在各地的模拟考试或高考中,不断出现考查几种分布的试题,重点考查超几何分布与二项分布,原因就在于两点分布是二项分布的特例,而正态分布与前几种分布有直接与间接的联系,比如二项分布,N
The National Examination Unified Examination Syllabus clearly states: “Understanding the hypergeometric distribution and simple application.” “Understand n independent repeated trial models and binomial distribution and solve some simple questions.” “ Histogram understanding of the characteristics of the normal distribution curve and the significance of the curve. ”People taught A version of the elective 2-3 involves two distributions, hypergeometric distribution, binomial distribution and normal distribution, according to these contents and requirements , In various parts of the simulation test or college entrance examination, examinations continue to examine several distribution of questions, focusing on examination of hypergeometric distribution and binomial distribution, because the distribution of two points is a special case of binomial distribution, and the normal distribution of the previous few Distribution has direct and indirect links, such as binomial distribution, N