| 例谈数学期望在生活中的应用 |
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| 引用本文： | 刘小红.例谈数学期望在生活中的应用[J].南昌教育学院学报,2011,26(5):60+66-60,66. |
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| 作者姓名： | 刘小红 |
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| 作者单位： | 河池学院教师教育学院,广西宜州,546300 |
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| 摘 要： | 数学期望是随机变量的重要数字特征之一,文章解析了数学期望在日常生活中的应用,如求职决策问题,投资问题,彩票问题等,从而不断激发学生学习数学的积极性和主动性,让学生在兴趣中学习探索,并应用于生活,让数学改变生活。
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| 关 键 词： | 随机变量 数学期望 应用 |
Application of mathematical expectation in life |
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| Liu Xiao-hong.Application of mathematical expectation in life[J].Journal of Nanchang College of Education,2011,26(5):60+66-60,66. |
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| Authors: | Liu Xiao-hong |
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| Affiliation: | Liu Xiao-hong(Hechi University,Institute of Teacher Education,Yizhou Guangxi,546300,China) |
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| Abstract: | The mathematical expectation is an important feature of the figures of random variable,the paper analyzes the application of the mathematical expectation in daily life,such as employment policy issues,investment issues,lottery problems,which continue to inspire the enthusiasm and initiative of students to learn math,makes students study and explore interests,and applied to life,so that math changing lives. |
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| Keywords: | random variables mathematical expectation application |
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