As reported in Table 5.1, the mean SAT reading score was 485 with a standard deviation of 110 in 2014–2015.
1. What percentage of students scored above 625?
2. What percentage of students scored between 400 and 625?
3. A college decides to liberalize its admission policy. As a first step, the admissions committee decides to exclude student applicants scoring below the 20th percentile on the reading SAT. Translate this percentile into a Z score. Then, calculate the equivalent SAT reading test score.

Table 5.1

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Table 5.1 2014-2015 SAT Component Means and Standard Deviations for High School Seniors Critical Reading Mathematics Writing Number of Test Standard Standard Standard Takers Mean Deviation Mean Deviation Mean Deviation 1,108,165 485 110 501 117 475 109