
Note: These results CAN'T be generalized to the entire population of Ex-Muslims around the globe. Whether we survey people in a city or a nation, 1200 randomly selected participants will enable us to be 95% confident of describing the entire population with an error margin of 3% or less (Myers, 2002). The number of respondents to this survey is way below 1200!
Myers, D. G. (2002). Social Psychology-7th Edition. New York: Mcgraw-Hill.