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。
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.
出处
《南昌教育学院学报》
2011年第5期60-60,66,共2页
Journal of Nanchang College of Education
关键词
随机变量
数学期望
应用
random variables
mathematical expectation
application
