Logical Reasoning

PT13 · S2 · Q24 A certain airport security scanner

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A certain airport security scanner designed to detect explosives in luggage will alert the scanner’s operator whenever the piece of luggage passing under the scanner contains an explosive.

Click on choice (E) for another take on it, slightly different from what's on the video.

24.

The reasoning in the argument is flawed because the argument

  1. ignores the possibility of the

    Trap

    23% picked this

  2. draws a general conclusion about

    Trap

    4% picked this

  3. ignores the possibility of human

    Trap

    3% picked this

  4. fails to acknowledge the possibility

    Trap

    5% picked this

  5. Correct

    substitutes one group for a

    Why this is right

    As an addendum to that video, here's what we think this answer was trying to say. The 2nd sentence is saying, "when there is a bag with no bomb, only 1% of the time will the alert go off." The conclusion is saying, "when alerts go off, only 1% of the time will it be a bag with no bomb."

    Skill tested: Flaw · how this choice captures the argument's function is the move to repeat next time.

    65% picked this

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