=+Believe work load is heavier than it should be 25 17 9 Day Evening Night Defects 70 60 80 Sample total 400 300 300 548 CHAPTER 14 same 100 employees were then placed on the prepaid policy and after one year, it was found that among the 20, 5 had been rehospitalized, and among the 80, 10 had been hospitalized. Test to see whether or not the prepaid policy reduces hospitalization rates among the employees.