document.write( "Question 657383: Assume a normally distributed population with µ = 80 and σ = 5. What proportion of scores in the distribution is between 72 and 90? \n" ); document.write( "
Algebra.Com's Answer #409928 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Assume a normally distributed population with µ = 80 and σ = 5. What proportion of scores in the distribution is between 72 and 90?
\n" ); document.write( "----
\n" ); document.write( "1st: Find the z-values of 72 and 90
\n" ); document.write( "2nd: Find the area between those two z-values.
\n" ); document.write( "---
\n" ); document.write( "Ans: normalcdf(72,90,80,5) = 0.9225
\n" ); document.write( "----
\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );