2019高考数学二轮复习专题四概率与统计第三讲大题考法——概率与统计课件理.ppt

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题型(一),离散型随机变量 的期望,题型(二),回归分析与概率、 统计的交汇问题,题型(三),独立性检验与概率、 统计的交汇问题,题型(四),正态分布,解题通法点拨,辨析:利用对立事件的概率求P(A),辨析:事件B可拆分为两个互斥事件,利用互斥事件的概率加法公式求P(B).,辨型:满足条件概率,利用条件概率公式求解.,Thank You!,

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