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Mathematics 18 Online
OpenStudy (anonymous):

http://tinypic.com/r/2lik6sp/5 Is my answer correct?

jimthompson5910 (jim_thompson5910):

I don't know the history of the bell curve, but based on the symmetry of the bell in choice D, I would agree

OpenStudy (anonymous):

ok thanks

jimthompson5910 (jim_thompson5910):

yw

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