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混合型随机变量的实例与分析
引用本文:吴传菊,吴磊,徐孟彬,杨蕊.混合型随机变量的实例与分析[J].高师理科学刊,2014(4):31-33.
作者姓名:吴传菊  吴磊  徐孟彬  杨蕊
作者单位:武汉科技大学理学院;
摘    要:通过具体的实例,借助于常见的离散型和连续型随机变量来构造既非离散型也非连续型的混合型随机变量,并揭示这类随机变量的取值规律是如何通过其分布函数来体现的.加深学生对该类随机变量及其分布函数的理解,进而用于解决更多的理论和实际问题.

关 键 词:分布函数  混合型随机变量  累积概率

Examples and analysis for mixed-type random variables
WU Chuan-ju,WU Lei,XU Meng-bin,YANG Rui.Examples and analysis for mixed-type random variables[J].Journal of Science of Teachers'College and University,2014(4):31-33.
Authors:WU Chuan-ju  WU Lei  XU Meng-bin  YANG Rui
Institution:( School of Science, Wuhan University of Science and Technology, Wuhan 430065, China )
Abstract:Based on discrete and continuous random variables,provided two examples for mixed-type random variables,which are neither discrete nor continuous.Through the two examples,revealed how the distribution functions of this class of random variables reflect the law of their values,so as to make students to understand this class of random variables better and apply them into more theoretical and practical problems.
Keywords:distribution function  mixed-type random variable  accumulated probability
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