A curious student in a large economics course is interested in calculating the percentage of his classmates who scored lower than he did on the GMAT; he scored 490. He knows that GMAT scores are normally distributed and that the average score is approximately 540. He also knows that 95% of his classmates scored between 400 and 680. Based on this information, calculate the percentage of his classmates who scored lower than he did . HOME . INSERT . DATA fx C D E F G 1 Mean 540 2 2.5 Bound 400 97.5% Bound 680 Student's Score 490 19 20 21 WESET SAVE Attempts left: 1 OFF