Puzzle answers!

Since Rachel submitted a guess for the challenging puzzle I posted earlier, I’m now posting the answer. Rachel came in first place! I’m not sure how I would have done on this if I hadn’t seen the numbers before. Original source for this analysis is here and sources for each number are cited below.

Percentages of Americans who believe things
30% believe Saddam had weapons of mass destruction. (polling in 2007) source
23% believe they’ve been in the presence of a ghost. (polling in 2007) source
22% believe President Bush knew about the 9/11 attacks in advance. (polling in 2007) source
18% believe the sun revolves around the Earth. (polling in 1999) source
10% believe Obama is a muslim (polling in 2008) source (pdf)