document.write( "Question 617967: give a mean of 43.8 and a standard deviation of 8.7. What is the z- score of the value of 40. \n" ); document.write( "
Algebra.Com's Answer #388656 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
z-score = (value - mean) / standard deviation.
\n" ); document.write( "based on your given values, this is equivalent to:
\n" ); document.write( "z-score = (40 - 43.8) / 8.7 which would be equal to a z-score of -.4367816092
\n" ); document.write( "
\n" ); document.write( "
\n" );