SOLUTION: A case contain 12bottles out of with 3 are spoiled. If a sample of 4 bottles is selected at random, what is the probability that only one bottle is spoiled?
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Question 1143816: A case contain 12bottles out of with 3 are spoiled. If a sample of 4 bottles is selected at random, what is the probability that only one bottle is spoiled?
Answer by greenestamps(13215) (Show Source): You can put this solution on YOUR website!
(1) 3 out of 12 are spoiled, so P(spoiled) = 3/12 = 1/4 and P(not spoiled) = 3/4.
(2) We have selected 4 of the bottles; any one of the 4 can be the one that is spoiled
P(1 of 4 is spoiled) =
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