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show workings 3. An item is produced in large numbers. The machine is known to produce 5% defectives. A quality control inspector is examining the

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show workings

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3. An item is produced in large numbers. The machine is known to produce 5% defectives. A quality control inspector is examining the items by taking them at random. What is the probability that at least 4 items are to be examined in order to get 2 defectives

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