Glucose is normally distributed with a mean of 54 mg/dl and standard deviation of 50 mg/dl. According to the National Institute of Diabetes and Digestive and Kidney Disorder, the normal A1c Hemoglobin level for a non diabetic person is 5.6 or below. What is the probability that a randomly selected person has a normal level less than 5.6? A. 1.6% B. 97% C. 16.60% D. 9.7% E. 8.4%