Assume that the distribution of scores in a math test is


Assume that the distribution of scores in a Math test is normal, with μ = 100 and σ = 10. What is the probability that:

  1. A score is 125? (Hint: find the z-scores of the real limits and the difference between their probabilities.)
  2. A score is below 80?
  3. A score is between 125 and 80?

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Basic Statistics: Assume that the distribution of scores in a math test is
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