NO.PZ2015120604000074
问题如下:
According to the above table, which of the following statements is the most correct?
选项:
A. The joint probability of having a good today' performance and a netural next day's performance is 0.08
B. The joint probability of having a good today' performance and a netural next day's performance is 0.70.
C. The joint probability of having a good today' performance and a netural next day's performance is 0.20.
解释:
A is correct
A means neutral performance
B means good economy
Therefore, The joint probability of having a good today' performance and a netural next day's performance is
烦请老师仔细讲一下具体是怎么计算的,这个运算规则我没搞明白是怎么用在实际题目里的