document.write( "Question 659394: if the population standard deviation is 8, how large a sample is necessary to have a standard error that is less than or equal to 4 points \n" ); document.write( "
Algebra.Com's Answer #410839 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! if the population standard deviation is 8, how large a sample is necessary to have a standard error that is less than or equal to 4 points \n" ); document.write( "---------- \n" ); document.write( "std of sample means = 8/sqrt(n) <= 4 \n" ); document.write( "--- \n" ); document.write( "sqrt(n) >= 8/4 \n" ); document.write( "--- \n" ); document.write( "sqrt(n) >= 2 \n" ); document.write( "--- \n" ); document.write( "n >= 4 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |