SAT Scores. The national average for mathematics on a standardized test in 2011 was 509. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 47. Round your answers to at least one decimal place as needed.

Within what boundaries would you expect99.7%of the scores to fall?

About 99.7% of the scores should fall between ______ and ________.

What percentage of scores would be above603?

_______ % of the scores would be above603?