TWO HEADS ARE BETTER THAN ONE
Probability
Level
3
The probability of a firer hitting the target is 0.9 and that of another 0.8.If each of them fires a bullet,what is the probability of a hit?
The answer is 0.98.
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1 solution
The probability that shooter 1 will not hit target is 0.1 and that of shooter 2 is 0.2. Hence the probability that both of them don't hit the target is 0.02.Therefore the probability that either of them hits the target is 0.98.