The probability of a missile hitting the target successfully in a trial is 0.2. Five successful hitting are needed to destroy a particular target. What is the probability that the target will be destroyed in the 7th trial?
Probability and statistical analysis
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probability
statistics
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1Does this mean exactly that the 7th missile destroys it, or that it could already be destroyed by missile 5 or 6? – 2012-09-09
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0My comment [on your other question](http://math.stackexchange.com/q/193073/6179) fully applies. – 2012-09-09