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Suppose that a batch of electronics is produced by a machine with a defect rate of...

Suppose that a batch of electronics is produced by a machine with a defect rate of 1%. The electronics are sold in packages of 50 with a money-back guarantee that there are no more than 3 defectives in each package.

(a) Find the probability that a distributor returns a package.

(b) Assuming independence, find the probability that a distributor returns at least five packages out of a shipment of 100.

Math   Statistics-And-Probability   
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