The national mean for verbal scores on an exam was 428 and the standard deviation was 113. Approximately what percent of those taking this test had verbal scores between 315 and 541?

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- November 16th 2008, 10:44 PMmagentaritaVerbal ScoresThe national mean for verbal scores on an exam was 428 and the standard deviation was 113. Approximately what percent of those taking this test had verbal scores between 315 and 541?
- November 16th 2008, 11:22 PMTitaniumX
- November 17th 2008, 11:14 PMmagentaritaok.......