Exhibit 12-4 in the past, 35% of the students at abc university were in the business college, 35% of the students were in the liberal arts college, and 30% of the students were in the education college. to see whether the proportions have changed, a random sample of 300 students from abc university was selected. ninety of the sample students are in the business college, 120 are in the liberal arts college, and 90 are in the education college. refer to exhibit 12-4. this problem is an example of a select one: a. test for independence b. multinomial population c. normally distributed variable d. uniformly distributed variable