A company receives a shipment of 20 hard drives. Before accepting the shipment, 5 of them will

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Question:

A company receives a shipment of 20 hard drives. Before accepting the shipment, 5 of them will be randomly selected and tested. If all 5 meet specifications, then the shipment will be accepted; otherwise all 20 will be returned to the manufacturer. If, in fact, 3 of the 20 drives are defective, what is the probability that the shipment will not be accepted?