SOLUTION: The probability that an article selected at random from a particular production line is defective is found to be 0.05. If these articles are packed in boxes of 10, the probability

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Question 1028701: The probability that an article selected at random from a particular production line is defective is found to be 0.05. If these articles are packed in boxes of 10, the probability that a box contains exactly one defective article is:
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Use the binomial pmf p%28x%29+=+C%2810%2Cx%29%2A0.95%5E%2810-x%29%2A0.05%5Ex.
==> p%281%29+=+C%2810%2C1%29%2A0.95%5E9%2A0.05%5E1+=+0.3151, to four decimal places.