Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275
B. 0.22
C. 0.5667
D. 0.7083
Answer: A
Mathematics
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A. 
B. 
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A. It has gone up 2 levels. B. None of these C. It has gone down 2 levels. D. It has gone down 4 levels.
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A. 0.14747 B. 14.0747 C. 14,747 D. 14.747
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