document.write( "Question 632090: If the mean is 76 and the Standard Deviation is 6 how many students scored below a 70 on their test
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Algebra.Com's Answer #398007 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "If the mean is 76 and the Standard Deviation is 6 how many students scored below a 70 on their test
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document.write( "  z = (70-76)/6 = -1   using Excel function: NORMSDIST(-1) = .1587   
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document.write( " P(x < 70) =  15.9 %
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document.write( " 15.9% of the students scored below 70 on their test
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