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': 'What is the probability that confounding factor fall to the right of 95% ? \nSelect and explain. \nA. 1 in 5, B. 1 in 10, C. 1 in 20, D. 1 in 40', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., l in 40 Similar to above question i) values out side the 95% (2SD) --> 4 5% (1 in 20). ii) values above (right to) the 95% (2SD) --> 2.5% (1 in 40) iii) values below (left to) the 95% (2SD) --> 2.5% (1 in 40)", 'role': 'assistant'}]