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Mathematics 7 Online
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%

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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