During Fall classes, a large university noticed that the percentage of students who major in business, fine arts, education, and allied health are all the same, 25%. During the spring semester, in a sample of 100 students, 28 majored in business, 20 majored in fine arts, 26 majored in education, and 26 majored in allied health. Using a 95% confidence level, test to see if the students' majors have changed during the second semester at this university.