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': 'In the estimation of statistical probability, Z score is applicable to - \nSelect and explain. \nA. Normal distribution, B. Skewed distribution, C. Binomial distribution, D. Poisson distribution', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]