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: Unknown
[{'content': 'True statement about standard normal curve: \nSelect and explain. \nA. Equal distribution on either side of the curve, B. The total area under the curve is 2, C. Its mean is 1, D. Standard deviation is 0', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Refer: K. Park’s Textbook of Preventive and Social medicine, 24th edition, pg no:886 )\nNormal distribution\n\nGaussian / Standard distribution\nSymmetric with respect to same mean, median & mode & frequencies tapers off rapidly and symmetrically on both sides', 'role': 'assistant'}]