Question
The national average for the math portion of the College Board's SAT test is 549. The College Board periodically rescales the test scores such that
The national average for the math portion of the College Board's SAT test is 549. The College Board periodically rescales the test scores such that the standard deviation is approximately 100. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores.
If required, round your answers to two decimal places.
| (a) | What percentage of students have an SAT math score greater than 649? |
| % | |
| (b) | What percentage of students have an SAT math score greater than 749? |
| % | |
| (c) | What percentage of students have an SAT math score between 449 and 549? |
| % | |
| (d) | What is the z-score for student with an SAT math score of 620? |
| (e) | What is the z-score for a student with an SAT math score of 405? |
|
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Payroll Accounting
Authors: Bernard J. Bieg, Judith Toland
21st Edition
1111531056, 978-1111531058
