Multiple choice

Many aircraft maintenance and repair companies use sophisticated computer diagnostic techniques, in addition to actual physical inspections, in order to determine which repairs are necessary. Aircraft owners, like airlines, however, are reluctant to pay the extra costs involved for the computer tests, thereby decreasing the quality of service that they receive.

In order for the conclusion above to be valid, which one of the following is a necessary assumption?

  1. Physical inspections and expensive computer tests combined, provide a more accurate diagnosis of aircraft problems than do inspections alone.

  2. Many aircraft repair technicians oppose price cuts that limit their use of computer diagnostics.

  3. Many customers who could benefit from the computer tests cannot afford them.

  4. Some aircraft problems could be diagnosed by physical examination alone.

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This must be true for the argument to stand up. Quality of service the owners receive would decrease only if it is true that the addition of the computer test provides a more accurate diagnosis than do the inspections alone.

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