htheaded264 htheaded264
  • 21-11-2019
  • Mathematics
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A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What percentage of students scored between 65 and 89?

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Favouredlyf Favouredlyf
  • 21-11-2019

Answer: 66%

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