摘要
本文通过若干个有代表性的例题介绍了"逆事件"在概率论中的巧用,该方法有助于简化计算,通常能起到"事半功倍"的效果.
By analyzing several typical examples, this paper introduces a skillful method of the "adverse events" in probability theory, this method can simplify calculation and usually get twice the result with half the effort.
出处
《湖南城市学院学报(自然科学版)》
CAS
2015年第4期77-78,共2页
Journal of Hunan City University:Natural Science
关键词
逆事件
古典概率
正态分布
adverse event
The classical probability
Normal distribution