document.write( "Question 847575: Over what grade should we find the 5 best students of 37 in a test with an average of 81 and standard deviation of 7? \n" ); document.write( "

Algebra.Com's Answer #510558 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( "m= 81, sd = 7, n = 37, top 5   0r top 13.5 percentile
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document.write( "Normsinv(.135) =  z = 1.102 = (x - 81)/7
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document.write( "    1.102 = (x - 81)/7
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document.write( "     7.7 + 81 = 88.7   Over an 89 test score \n" );
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