Company purchases several components in bulk. In one shipment received, the supplier indicates the defective rate as 3%. You are working together with a quality control engineer. 1)The quality control engineer randomly picks 20 items from this shipment. He asks you to find the probability that there will be at least one defective item among these 20?

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Company purchases several components in bulk. In one shipment received, the supplier indicates the
defective rate as 3%. You are working together with a quality control engineer.
1)The quality control engineer randomly picks 20 items from this shipment. He asks you to find the
probability that there will be at least one defective item among these 20?
2) Quality control engineer telss you that they receive 10 shipments in a month and he randomly tests
20 devices per shipment. He asks you to find the probability that there will be exactly 3 shipments each
containing at least one defective device among the 20 that are selected and tested from the shipment?
Transcribed Image Text:Company purchases several components in bulk. In one shipment received, the supplier indicates the defective rate as 3%. You are working together with a quality control engineer. 1)The quality control engineer randomly picks 20 items from this shipment. He asks you to find the probability that there will be at least one defective item among these 20? 2) Quality control engineer telss you that they receive 10 shipments in a month and he randomly tests 20 devices per shipment. He asks you to find the probability that there will be exactly 3 shipments each containing at least one defective device among the 20 that are selected and tested from the shipment?
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