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#1 2012-10-03 01:33:44

cassrl
Member
Registered: 2012-10-03
Posts: 4

statistics

Top 12% of the class will an A.  Mean grade is 72 and the standard deviation is 10.  What grade would you need to earn an A?

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#2 2012-10-03 02:41:03

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,765

Re: statistics

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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