Four person can hit a target correctly with \( \mathrm{P} \) probab...

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Four person can hit a target correctly with
\( \mathrm{P} \) probabilites \( \frac{1}{2}, \frac{1}{3}, \frac{1}{4} \) and \( \frac{1}{8} \) respectively. If all hit

W at the target independently, then the probability that the target would be hit, is
(1) \( \frac{25}{32} \)
(2) \( \frac{25}{192} \)
(3) \( \frac{1}{192} \)
(4) \( \frac{7}{32} \)
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