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A foreman for an injection-molding firm admits that on 11% of his shifts, he forgets to shut off the injection machine on his line. This causes the machine to overheat, increasing the probability that a defective molding will be produced during the early morning run from 3% to 23%. If a molding is randomly selected from the early morning run of a random day, what is the probability that it is defective?

Statistics and Probability, Statistics

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