問題詳情

55. In an experiment, it is found that the probability that a released bee will land on apainted target is

. It is also found that when a bee lands on the target, the probabilitythat the bee will attempt to sting the target is

. In this experiment, what is theprobability that a released bee will land on the target and attempt to sting it?
(A)


(B)


(C)


(D)



參考答案