SOLUTION: A company manufactures calculators in batches of 64 and there is a 5% rate of defects. Find the probability of getting exactly three defects in a a batch.

Question 1108488: A company manufactures calculators in batches of 64 and there is a 5% rate of defects. Find the probability of getting exactly three defects in a a batch.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A company manufactures calculators in batches of 64 and there is a 5% rate of defects. Find the probability of getting exactly three defects in a a batch.
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Binomial Problem with n = 64, p = 0.05.
P(x = 3) = 64C3*0.05^3*0.95^61 = binompdf(64,0.05,3) = 0.2279
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Cheers,
Stan H.
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