摘要
本文从古典概率的定义出发,利用简单的组合关系,导出n个配对中恰有k(0≤k≤n)个相合发生的概率计算公式。
This topic started with the definition of the classical probability.By using simple relations of combinations it derived the computing formula of probability.in which n-matrhes having exactly k-coincidences are in appearance
出处
《北京航空航天大学学报》
EI
CAS
CSCD
北大核心
1989年第1期129-134,共6页
Journal of Beijing University of Aeronautics and Astronautics
关键词
相合同题
概率
组合
配对
coincidence problem,probability,combination,match.
