Random test plays a very important role in the probability calculation of random events. Only when the correct random test is given can the sample space and sample points of random events be determined. At the same time, conditional probability plays a very important role in probability theory. Multiplication formula, total probability formula and Bayesian formula all need the concept of conditional probability. And two very important formulas in the course of probability theory -- total probability formula and Bayesian formula. The content of this part is the further extension of conditional probability knowledge. It studies how to calculate the probability of unknown complex events from the probability of known simple events.<br>
正在翻译中..