SOLUTION: if 15% of the units produced by a machine are defective. Determine the probability that out of 4 units chosen at random more than 2 units will be defective.

Question 934726: if 15% of the units produced by a machine are defective. Determine the probability that out of 4 units chosen at random more than 2 units will be defective.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if 15% of the units produced by a machine are defective. Determine the probability that out of 4 units chosen at random more than 2 units will be defective.
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Binomial Problem with n = 4 and P(defect) = 0.15
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P(3<= x <=4) = 1 - binomcdf(4,0.15,2) = 1-0.9880 = 0.0120
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Cheers,
Stan H.
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