The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 140, while the mean score was 80 and the standard deviation was 14. 3852668094108122Distribution of Test Scores[Graphs generated by this script:

38 52 66 80 94 108 122

Use the "Empirical Rule", not a calculator or other technology. Do not round your answers.

What is the approximate percentage of students who scored less than 52 on the test? % ___________________ What is the approximate percentage students who scored between 66 and 94 on the test? %______________________ What is the approximate percentage of students who scored between 52 and 108 on the test? %_________________ What is the approximate percentage of students who scored between 66 and 80? %__________________