摘要
本文以时间为变量 ,讨论在抽奖活动中 ,在 (0 ,t)时间区间内 ,一位抽奖人获得K张中奖票的概率。这是一个概率问题 ,但用微分方程解决 。
Let time act as variable, this paper discusses the probability of one who wins K lottery tickets in a lottery in the time interval (0, t). This is a probability problem, called it probability differential model because it's solved by differential equation.
出处
《河池师专学报》
2001年第2期86-88,共3页
Journal of Hechi Normal College
