It is recommended that pregnant women over eighteen years old get 85 milligrams of vitamin C each day. A doctor is concerned that her pregnant patients are not getting enough vitamin C. So, she collects data on 49 of her patients and finds that the mean vitamin intake of these 49 patients is 80 milligrams per day with a standard deviation of 11 milligrams per day. Based on a level of significance of = .01, test the hypothesis.