1.

Four persons can hit a target correctly with probabilities \(\frac{1}{2},\frac{1}{3},\frac{1}{4}{\rm{\;and\;}}\frac{1}{8}\) respectively. If all hit at the target independently, then the probability that the target would be hit, is:

A. \(\frac{{25}}{{192}}\)
B. \(\frac{7}{{32}}\)
C. \(\frac{1}{{192}}\)
D. \(\frac{{25}}{{32}}\)
Answer» E.


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