The manager of a large factory wanted to know how satisfied her employees were with the current health plan. She asked her research department to tell her what percentage of her employees were very satisfied, somewhat satisfied, somewhat dissatisfied or very dissatisfied with the current plan. The research department drew a random sample of 300 employees and measured their opinions on the health plan. The results showed that 10% were very satisfied, 55% were somewhat satisfied, 35% were somewhat dissatisfied and none were very dissatisfied, with a margin of error of +/- 5.5%. These percentages are