A U.S.-based company offers an online proficiency course in basic accounting. Completing this online course satisfies the fundamentals of Accounting course requirement in many MBA programs. In the first semester, 315 students have enrolled in the course. The marketing research manager divided the country into seven regions of approximately equal population. The course enrollment values for each of the seven regions are given below. The management wants to know if there is equal interest in the course across all regions. Region Enrollment 45 60 30 40 50 55 35 Calculate the expected enrollment (frequency) for all 7 regions