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MMLU / A scientist carrying out experiments on hearing aids fits 30 mice that were…

Problem

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question

A scientist carrying out experiments on hearing aids fits 30 mice that were genetically modified to lose their hearing with the latest technology and were tested to press a lever when they heard a bell. This was set to varying levels of power. At 80% power, 20 mice pressed the lever. At 70% power, 15 mice pressed the lever. At 60% power, 10 mice pressed the lever. Which of the following power levels corresponds to the absolute threshold for hearing the decibels produced by the bell?

choices

  1. 80%
  2. 70%
  3. 60%
  4. Not enough information given.

subject

college_medicine

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