Questions
Four persons can hit a target correctly with probabilities and respectively. If all hit at the target independently, then the probability that the target would be hit, is
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Correct option is A
Given that the probability of hitting a target independently by four persons are respectively P(A)=12,P(B)=34,P(C)=14,P(D)=18The probability of hitting the target = 1-P(not hitting the target)=1−PA¯PB¯PC¯PD¯=1−12143478=1−21256=235236Similar Questions
The odd against an event are 5 to 2 and the odds in favour of another disjoint event are 3 to 5. Then the probability that atleast one of the events will happen is
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