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statistics question - normal distribution

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If scores are normally distributed with a mean of 100 and a standard deviation of 15, what percent of the scores are:
(a) greater than 100?
(b) greater than 115?
(c) between 100 and 130?

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Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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