A company has two plants to manufacture cars. Plant A manufactures 70% of the cars and Plant B manufactures 30%. At plant A, 80% of cars are rated standard quality and at plant B, 90% of cars are rated standard quality. A car is picked up at random and is found to be of standard quality. What is the probability that it has come from plant B ?

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A: The following solution is given below:

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A: Given,8 different pairs of socksi.e 16 socks.

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