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Mathematics 14 Online
OpenStudy (anonymous):

PLEASE HELP!! 1. About ___% of the area within 1 standard deviation from the mean. 2.About ___% of the area within 2 standard deviation from the mean. 3.About ___% of the area within 3 standard deviation from the mean.

OpenStudy (amistre64):

hmm, looks like the empirical rule setup. Just has to be memorized ....

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