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$\frac{2}{15}$正確答案
B$\frac{1}{5}$
C$\frac{2}{5}$
D$\frac{1}{3}$
答案與詳解
