A man says 95% people believe in God, assuming he means Yahweh/the Biblical god the actual figure is 33% globally, or 80% in the United States. If this theologically disputed claim that the Gods described in the Bible and the Koran are the same God is accepted, then the global figure rises to 54%. If he means any God or pantheon of Gods the figure is still around 84% worldwide.
All figures are based on the assumption that people who identify as members of a religion actually believe the teachings of that religion, which may or may not be true.
The Mexican man does not speak or understand English. Then they make up the plan that everyone should vote for the person to their right side. They even do this twice, after stressing how important it is that everyone does the same thing. But the Mexican man could never have understood that.
At one point, Bruce strongly suggests to the group that none of their names should be revealed as they are deemed unnecessary; everyone agrees to this. Shortly after, Bruce goes back on this agreement by revealing the Doctor's name to be Susan and nobody bothers to point this out.