document.write( "Question 709600: Q: The scores on a national achievement test were normally distributed with μ=655 and σ=146. If you were informed that you scored at the 44th percentile, what was your test score? \n" ); document.write( "
Algebra.Com's Answer #436745 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Q: The scores on a national achievement test were normally distributed with μ=655 and σ=146. If you were informed that you scored at the 44th percentile, what was your test score?- \n" ); document.write( "----- \n" ); document.write( "Find the z-value with a left tail of 0.44 \n" ); document.write( "invNorm(0.44) = -0.1510 \n" ); document.write( "----- \n" ); document.write( "Find the corresponding score using x = z*s + u \n" ); document.write( "x = -0.1510*146 + 655 = 632.96 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |