An article manufactured by a company consists of two parts A and B. In the process of manufacture 10 out of 100 parts of A and 20 out of 100 parts of B may be defective then the probability that the assembled product is not defective is

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1825

725

925

1625

answer is A.

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Detailed Solution

p(A∩B)=p(A)p(B)=90100×80100=1825[Article is not defective if both parts are non−defective]

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