从一道题的解法谈古典概型基本事件总数的确定

Determination of the total number of the basic events about the classical probability from solutions to a problem

古典概型是高职数学教学中的难点之一,确定基本事件总数是解决这类问题的关键。基本事件总数确定的方法有很多种,在解决问题时要灵活运用。

The classical probability problem is one of the difficulties in one of the higher vocational mathematics teaching,and how to determine the total number of basic events is the key to this kind of problem.There are two methods to determine the total number of basic events and so the methods are flexibly used for solutions to the prob-lem.