Statistics Solutions

(Steps Shown) A population of final examination grades in an introductory statistics course is normally distributed with a mean of 73 and a standard deviation

Question: A population of final examination grades in an introductory statistics course is normally distributed with a mean of 73 and a standard deviation of 8.

  1. What proportion of the grades will fall between the mean and 80?
  2. What proportion of the grades will be above 91?
  3. If 60 is the lowest possible passing grade, what proportion will have passed the examination?
  4. What proportion will have scored no higher than 75 on the examination?

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


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