document.write( "Question 185912: find the x-value having the normal distribution N(1000,250) that has 10% of the area under that normal curve lying to its right. \n" ); document.write( "
Algebra.Com's Answer #139424 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find the x-value having the normal distribution N(1000,250) that has 10% of the area under that normal curve lying to its right. \n" ); document.write( "------------ \n" ); document.write( "1st: Find the z-value that has 10% to the right. \n" ); document.write( "Using a Ti-83 I get InvNorm(0.9) = 1.2816 \n" ); document.write( "----------- \n" ); document.write( "2nd: Find the corresponding x-value using z = (x-u)/s \n" ); document.write( "--- \n" ); document.write( "1.2816 = (x-1000)/250 \n" ); document.write( "x-1000 = 250*1.2816 \n" ); document.write( "x-1000 = 320.3879 \n" ); document.write( "x = 1320.3879 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |