Find the exact solutions of the equation x2 +3x + 1=0.
2 answers:
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The probability that a single radar set will detect an enemy plane is 0.9. if we have five radar sets, what is the probability that exactly four sets will detect the plane?
Solution: The given random experiment follows binomial distribution with
Let x be the number of radar sets that will detect the plane.
We have to find
Therefore, the probability that exactly four sets will detect the plane is 0.3281