英语翻译the probability of event A is 0.3,and the probability of both event A and B occurring is 0.6.What is the probability of event B occurring given the probability of event A and

英语翻译the probability of event A is 0.3,and the probability of both event A and B occurring is 0.6.What is the probability of event B occurring given the probability of event A and
英语翻译
the probability of event A is 0.3,and the probability of both event A and B occurring is 0.6.What is the probability of event B occurring given the probability of event A and

英语翻译the probability of event A is 0.3,and the probability of both event A and B occurring is 0.6.What is the probability of event B occurring given the probability of event A and
A发生的概率为0.3 A、B同事发生的概率为0.6,求B发生的概率