It’s a question of education. I got 14 out of 15 right and I think anyone with a Bachelor’s Degree should be able to do the same or close. I missed the last one, and I probably shouldn’t have.
With 50 percent representing the population mean, the following are the results according to religious affiliation.
Here are the individual question results breakdowns for each religion, and what is interesting is how poorly Christians did with the 10 Commandments question.