SOLUTION: In a batch of 8000 clock radios 9% are defective. A sample of 15 clock radios is randomly selected without replacement from the 8000 and tested. The entire batch will be rejected i

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Question 438885: In a batch of 8000 clock radios 9% are defective. A sample of 15 clock radios is randomly selected without replacement from the 8000 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?
a. 0.0243 b. 0.0667 c. 0.757 d. 0.0900 e. None of the above

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 15 clock radios is randomly selected without replacement from the 8000 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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n = 15 ; p = 0.09
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P(1<= x <=15) = 1 - binomcdf(15,0.09,0) = 0.757
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Cheers,
Stan H.
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a. 0.0243 b. 0.0667 c. 0.757 d. 0.0900 e. None of the above