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 78 and the standard deviation was 15. 3348637893108123Distribution of Test Scores[Graphs generated by this script:  Use the "Empirical Rule", not a calculator or other technology. ANSWER ALL PARTS (image attached) part a : What is the approximate percentage students who scored between 63 and 93 on the test? % part b: What is the approximate percentage of students who scored less than 48 on the test? % part c: What is the approximate percentage of students who scored between 48 and 108 on the test? % part d : What is the approximate percentage of students who scored between 78 and 93 on the test? %

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