document.write( "Question 632206: the z-value for a confidence level of 80% is \n" ); document.write( "
Algebra.Com's Answer #398116 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! the z-value for a confidence level of 80% is \n" ); document.write( "--- \n" ); document.write( "You have two 10% tails. \n" ); document.write( "z-value is +-1.2816 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |