重庆福彩中的数学问题  

The Mathematic Problems in the ChongQing Welfare Lottery Ticket

作　　者：薛峰[1] 王涛[1] 章向明[1] 

机构地区：[1]重庆通信学院基础部,重庆400035

出　　处：《工程数学学报》2003年第8期82-84,共3页Chinese Journal of Engineering Mathematics

摘　　要：本文以2000年4月重庆开始发行电脑福利彩票时的情况为背景,研究了其中大家关心的几个问题:中奖率、高等奖预期的奖金、一等奖保底288万是否会亏本、刊有免费试投注彩票的晚报一份卖2元是否值得买等四个问题。本案例对于刚接触数学建模的学生来说,有助于激发他们用数学思维来思考身边实际问题的兴趣,提高他们学数学、用数学的能力。Based on the ChongQing start publishing the computer welfare lottery ticket in 2000 April, this paper study among them a few problems that concerns of everybody: the probability of winning prize、the expected prize of high grade. the prize of first grade guaranteeing at least 288 ten thousands if canning suffer a deficit、evening newspaper publishing free lottery tickets to sell 2 yuan if deserve to buy, and so on. For the students who just geting in touch with the Mathematic Modeling, this example is beneficial to stir up them to consider with mathematics thought nearby the interest of the actual problem, increase their ability of learning mathematics and using mathematics.

关 键 词：重庆电脑福利彩票 中奖率 奖金 彩票价值 数学模型 数学思维 

分 类 号：O221.1[理学—运筹学与控制论]