document.write( "Question 1056718: Find the margin of error (E) of a confidence estimate interval, when the confidence level is 95%, the sample size is 125, and the standard deviation is 4. \n" ); document.write( "
Algebra.Com's Answer #671789 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! E=z(0.975)*sd/sqrt(n) \n" ); document.write( "=1.96*4/sqrt(125)=0.70 \n" ); document.write( " |