55. In an experiment, it is found that the probability that a released bee will land on a painted target is
. It is also found that when a bee lands on the target, the probability that the bee will attempt to sting the target is
. In this experiment, what is the probability that a released bee will land on the target and attempt to sting it?
(A)
(B)
(C)
(D) 
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統計: A(1), B(0), C(2), D(3), E(0) #2320012
統計: A(1), B(0), C(2), D(3), E(0) #2320012