SOLUTION: In a batch of 8000 clock radios 9% are defective. A sample of 10 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected

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Question 767109: In a batch of 8000 clock radios 9% are defective. A sample of 10 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
In a batch of 8000 clock radios 9% are defective. A sample of 10 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
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Binomial Problem with n = 10 and p(defective) = 0.09
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P(reject batch) = 1 - P(10 are not defective) = 1-(0.91)^10
= 1 - 3.49x10^-11
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Cheers,
Stan H.
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