在n个不独立的实验里,event A的机率是0.05
如果n=200,那么找出event A不超过10次的机率。
由于我是由英文翻译华文的,所以我把英文的也打出来。
in each of n independent trials os an experiment the probability of an event A occurring is 0.05
when n =200,use a suitable approximate method to deetermine the probability thta A occurs not more than 10 times.