A large chain retailer purchases a certain kind of electronic device from a manufacturer - The manufacturer Indicates th

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answerhappygod
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A large chain retailer purchases a certain kind of electronic device from a manufacturer - The manufacturer Indicates th

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A large chain retailer purchases a certain kind of electronic
device from a manufacturer - The manufacturer Indicates that the
defective nate of the device is 3% a. The inspector randomly picks
20 items from a shipment what is the probability that there will be
at least one defective item among these 20 b. Suppose the retailer
reieves 10 shipments in a month and the inspector randomly tests 20
devices per shipment What is the probability that there will be
exactly 3 shipments cock containing at least one defeative device
among the 20 that are selected and tested from the shipment ?
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