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': 'Shape of normal distribution curve? \nSelect and explain. \nA. J shape, B. U shape, C. Bell shape, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Bell shape o Standard normal curve (Gaussian distribution) is bell shape curve.", 'role': 'assistant'}]