25% of products in a store come from company "X". 35% come from company "Y" and the rest come from company "Z". Company "X" has the defect rate of 2%. Company "Y"s defect rate is 3.5% and company "Z" has a defect rate of 1.5%. We found a defective item. What is the the probability that this item is from company "Y" ? ( Answer only with numerical value as a fraction

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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25% of products in a store come from company "X". 35% come from company "Y" and the rest come from company "Z". Company "X" has the defect rate of 2%. Company "Y"s defect rate is 3.5% and company "Z" has a defect rate of 1.5%. We found a defective item. What is the the probability that this item is from company "Y" ? ( Answer only with numerical value as a fraction

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