SAT Scores The national average for mathematics on a standardized test in 2011 was 513. Suppose that the distribution of
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SAT Scores The national average for mathematics on a standardized test in 2011 was 513. Suppose that the distribution of
SAT Scores The national average for mathematics on a standardized test in 2011 was 513. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 43. Round your answers to at least one decimal place as needed. oli Part: 0/2 Part 1 of 2 (a) Within what boundaries would you expect 95% of the scores to fall? About 95% of the scores should fall between and X Part: 1/2 Part 2 of 2 (b) What percentage of scores would be above 642? % of the scores would be above 642. X
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