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': 'If a value is choosen from a community what is the probability that it will be above the median - \nSelect and explain. \nA. 25, B. 0.5, C. 0.6, D. 1', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 0.5 o In normal distribution, 50% values fall above and 50% below the central value (mean / median).", 'role': 'assistant'}]