Wrong proportions. The examples of proportions that people tend to overestimate come from Ipsos MORI[2, 3], which reveal misconceptions across 33 countries. Paulos, Innumeracy (1988), is full of fascinating examples of disproportionality, asking, for example, how much the level of the Red Sea would rise if you added all the human blood in the world.
This page is under construction. We are working on it (and a lot of other pages too). If you need this particular page urgently, you can always drop us a line, and we might be able to squeeze it to the top of our prio list…
Contact us at email@example.com.