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OpenStudy (anonymous):
What is the area under the curve that is two standard deviations from the mean? A) 68% B) 75% C) 99.7% D) 95%
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OpenStudy (anonymous):
what kind of curve?
OpenStudy (anonymous):
it dosent say
OpenStudy (anonymous):
68-95-99 for a normal curve 68% is the area one standard deviation (positive and negative) from the mean. 95% for two standard deviations and 99% for three standard deviations.
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