Q38 a significant number of complex repair jobs

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Q38: A significant number of complex repair jobs carried out by Ace Repairs have to be reworked under the company’s warranty. The reworked jobs are invariably satisfactory. When initial repairs are inadequate, therefore, it is not because the mechanics lack competence; rather, there is clearly a level of focused concentration that complex repairs require that is elicited more reliably by rework jobs than by first-time jobs. The argument above assumes which of the following?
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A. There is no systematic difference in membership between the group of mechanics who do first-time jobs and the group of those who do rework jobs. B. There is no company that successfully competes with Ace Repairs for complex repair jobs. C. Ace Repairs’ warranty is good on first-time jobs but does not cover rework jobs. D. Ace Repairs does not in any way penalize mechanics who have worked on complex repair jobs that later had to be reworked. E. There is no category of repair jobs in which Ace Repairs invariably carries out first-time jobs satisfactorily. Answer: ------------------------------------------------------------------------------------------------------------ Q39: After increasing steadily for centuries, the total annual catch of all wild fish peaked in 1989; since that time, the total catch for most species has declined or plateaued, prompting conservation efforts designed to help prevent population crashes and possible extinctions. A. fish peaked in 1989; since that time, the total catch for most species has declined or plateaued, prompting B. fish peaked in 1989, but with the total catch since then declining or plateauing in the case of most species, prompting C. fish had peaked in 1989; since that time, the decline or plateau of the total catch for most species, which prompted D. fish, which peaked in 1989, and, in the case of most species, it has declined or plateaued since, prompted E. fish, which peaked in 1989 but has since declined or plateaued for most species, and this prompted Answer: ------------------------------------------------------------------------------------------------------------ Q40: In Kravonia, the average salary for jobs requiring a college degree has always been higher than the average salary for jobs that do not require a degree. Current enrollments in Kravonia’s colleges indicate that over the next four years the percentage of the Kravonian workforce with college degrees will increase dramatically. Therefore, the average salary for all workers in Kravonia is likely to increase over the next four years. Which of the following is an assumption on which the argument depends?
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