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

Question 888976: A company manufactures calculators in batches of 64 and there is a 5% rate of defects. Find the probability of getting at least three defective calculators 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 at least three defective calculators in a a batch.
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Using my TI-84 I get::
P(3<= x <=64) = 1- binomcdf(64,0.05,2) = 0.6265
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Cheers,
Stan H.
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