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) ![]() 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( " |