SOLUTION: Compact Disks are manufactured in batches of 120 and the overall rate of defects is 5%. Estimate the probability that a randomly selected batch contains more than 6 defects.
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Question 796331: Compact Disks are manufactured in batches of 120 and the overall rate of defects is 5%. Estimate the probability that a randomly selected batch contains more than 6 defects. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Compact Disks are manufactured in batches of 120 and the overall rate of defects is 5%. Estimate the probability that a randomly selected batch contains more than 6 defects.
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Binomial Problem with n = 120 and p(defect) = 0.05
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P(7<= x <=120) = 1 - P(0<= x <=6) = 1 - binomcdf(120,0.05,6) = 0.3937
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Cheers,
Stan H.
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