Four out of 10 new cars are both foreign and need repair within 2 years. It is known that 7 out of 12 new cars are foreign. Calculate the probability of a new foreign car needing repair within 2...

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Extracted text: Four out of 10 new cars are both foreign and need repair within 2 years. It is known that 7 out of 12 new cars are foreign. Calculate the probability of a new foreign car needing repair within 2 years. 5. (Ans: 24/35) A foreman for an injection-moulding firm concedes that on 10% 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 moulding will be produced during 6. 13 the early morning run from 2% to 20%. What proportion of the mouldings from the early morning run may be expected to be defective? (Ans: 5.6%)