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Mathematics, 06.06.2020 01:02 tchou163

A manufacturer makes two models of an item:model I, which accounts for 88% of unit sales, and modelI I, which accounts for 12% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its modelI and 14% of its modelI I. If a model is selected at random, find the probability that it will be defective. P (defective) :

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A manufacturer makes two models of an item:model I, which accounts for 88% of unit sales, and modelI...

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