document.write( "Question 1077550: An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 149 and a standard deviation of 9.5. \r
\n" ); document.write( "\n" ); document.write( "Give the standard error of the mean:
\n" ); document.write( "

Algebra.Com's Answer #692011 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
it is s/sqrt(n)=9.5/sqrt(40)=1.502. That is the sd for all samples of size 20. \n" ); document.write( "
\n" );