document.write( "Question 1191808: The scores on a mathematics exam have a mean of 65 and a standard deviation of 5. Find the x-value that corresponds to the z-score -1.28
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #823644 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! z=(x-mean)/sd \n" ); document.write( "-1.28=(x-65)/5 \n" ); document.write( "-6.4=x-65 \n" ); document.write( "x=58.6 \n" ); document.write( " |