A large number of knives from a trial production run is inspected. It is found that...

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A large number of knives from a trial production run is inspected. It is found that the steel handles are defective on 1% of the knives and that the blades are defective on 1.5% of the knives with the defects occurring independently. What is the probability that in a sample of 80 there is at least one knife with both a defective handle and blade? A large number of knives from a trial production run is inspected. It is found that the steel handles are defective on 1% of the knives and that the blades are defective on 1.5% of the knives with the defects occurring independently. What is the probability that in a sample of 80 there is at least one knife with both a defective handle and blade?

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