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bernaljr20031 bernaljr20031
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6 years ago
Within a normal distribution, what percentage of cases are within two standard deviations of the mean?
 
  a. 34
  b. 68
  c. 95
  d. 98
  e. 99.9
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sej011sej011
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6 years ago
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this is exactly what I needed
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This site is awesome
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