Suppose that the national average for the math portion of

Suppose that the national average for the math portion of the College Board’s SAT is 515.
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.
a. What percentage of students have an SAT math score greater than 615?
b. What percentage of students have an SAT math score greater than 715?
c. What percentage of students have an SAT math score between 415 and 515?
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?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

Members

  • Access to 2 Million+ Textbook solutions
  • Ask any question from 24/7 available
    Tutors
$9.99
VIEW SOLUTION

OR

Non-Members

Get help from Statistics Tutors
Ask questions directly from Qualified Online Statistics Tutors .
Best for online homework assistance.