Problem 2 23 The national average for the math portion of the College Board's SAT test is 525 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 625 (b) What percentage of students have an SAT math score greater than 725 (c) What percentage of students have an SAT math score between 425 and 525 (d) What is the z score for student with an SAT math score of 630 (e) What is the z score for a student with an SAT math score of 395

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Question: Problem 2-23 The national average for the math portion of the College Board's SAT test is 525. The College Board periodically rescales the test scores

Problem 2-23

The national average for the math portion of the College Board's SAT test is 525. 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 625?
%
(b)	What percentage of students have an SAT math score greater than 725?
%
(c)	What percentage of students have an SAT math score between 425 and 525?
%
(d)	What is the z-score for student with an SAT math score of 630?
(e)	What is the z-score for a student with an SAT math score of 395?

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