document.write( "Question 1104708: The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200. If John Smith score was 1090 what percentage of the students have a higher score than John? \n" ); document.write( "
Algebra.Com's Answer #719396 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! need a z-score, z=(x-mean)/sd or (1090-950)/200=140/200 so a z-score greater than +0.7 \n" ); document.write( "24.2% had a score higher. \n" ); document.write( " |