document.write( "Question 439971: given a mean test score of 78 with a standard deviation of 5. calculate a z-score for a test score of 85 \n" ); document.write( "
Algebra.Com's Answer #304053 by robertb(5830)\"\" \"About 
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\"z+=+%28X+-+mu%29%2Fsigma+=+%2885+-+78%29%2F5+=+7%2F5+=+1.4\" \n" ); document.write( "
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