Statistics Solutions

[All Steps] A set of final examination grades in an introductory statistics course was found to be normally distributed with a mean of 73 and a standard

Question: A set of final examination grades in an introductory statistics course was found to be normally distributed with a mean of 73 and a standard deviation of 8.

  1. What is the probability of getting a grade of 91 or less on this exam?
  2. What percentage of students scored between 65 and 89?
  3. What percentage of students scored between 81 and 89?
  4. Only 5 % of the students taking the test scored higher than what marks?

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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