Factories
A,Band
Cproduce computers. Factory
Aproduces 2 times as many computers as factory
C. And factory
Bproduces 6 times as many computers as factory
C. The probability that a computer produced by factory
Ais defective is 0.039 , the probability that a computer produced by factory
Bis defective is 0.042 , and the probability that a computer produced by factory
Cis defective is 0.036 . Let
Drepresent the event that the computer is defective. A computer is selected at random and it is found to be defective. What is the probability it came from factory
B? |)
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