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Math, 19.02.2021 18:25 homersoncanceranguiu

Two factories A and B manufacture watches. Factory A produces on the average one defective item for every 100 items, whereas B produces only one for every 200. A retailer receives a case of watches from
one of the two above factories, but he does not know from which one. He checks the first watch and it
works. What is the probability that the second watch he will checks is good?

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Two factories A and B manufacture watches. Factory A produces on the average one defective item for...
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