一、五大概率基本模型是高考中的基本题型随机事件的概率问题,以古典概率为基础,以互斥事件的和与相互独立事件的积为主力,以独立重复试验作策应,活跃在文科与理科的试卷之中.随机事件的概率问题既是一类独立的概率问题,同时也是概率与统计问题的认知和求解的基 The basic model of the first and fifth probabilities is the probability of random events of basic questions in the college entrance examination. Based on the classical probability, the sum of independent events and mutually independent events is the main force. In the science paper, the probability problem of stochastic events is not only an independent probabilistic problem, but also the basis for the cognitive and solution of probabilistic and statistical problems.