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Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standard deviation of 6.1 points. Approximately, what percentage of the data is between 64.2 points and 88.6 points?

a) 68%

b) 95%

c) 99.7%

d) 50%

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91115186

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