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
In a community of 3000 people, 80 % are Hindus 10 % Muslims, 5 % Sikh, 4 % Christians and 1 % Jahn To select a sample of 300 people to analyses food habits, ideal sample would be - 
Select and explain. 
A. Simple random, B. Stratified random, C. Systematic random, D. Inverse sampling
B: Stratified random
Answer: B: Stratified random 
Explanation: None