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Suppose that the average grade for last year's final exam was 69.92, and the standard deviation was 11.98. Assuming a normal distribution, what percentage of

Suppose that the average grade for last year's final exam was 69.92, and the standard deviation was 11.98. Assuming a normal distribution, what percentage of the students would you expect passed the exam (i.e., achieved a score above 50%)

  1. 95%
  2. 90%
  3. 85%
  4. 80%

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