This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Fasting Blood Sugar (FBS) of a population is known to be normally distributed, with a mean of 105 mg% and standard detion of 10 mg%. Thus 95% of the population will have FBS within - \nSelect and explain. \nA. 104 and 106, B. 95 and 115, C. 85 and 125, D. 75 and 135', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 85 and 125 o 95% of population will have FBS within 2 Standard Detion (+-2SD) of mean. o Since the mean FBS is 105 mg% and standard detion is 10 mg%, 95% of population will have FBS between 105 +-2SD i.e. 105 +- 20 i.e. 85 and 125.", 'role': 'assistant'}]