document.write( "Question 220856: what is the critical value zc necessary to form a confidence interval at the given level of confidence 85% \n" ); document.write( "
Algebra.Com's Answer #165710 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! what is the critical value zc necessary to form a confidence interval at the given level of confidence 85% \n" ); document.write( "----------------------------------------------e- \n" ); document.write( "You need 15% evenly divided between two tails. \n" ); document.write( "----------------------------------------------- \n" ); document.write( "I used a TI-84 to find invNorm(0.15/2) = -1.4395 \n" ); document.write( "The cv's are +/-1.4395 \n" ); document.write( "======================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================================================== \n" ); document.write( " |