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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. | |