> An interesting thing about humans is that they are not good random number generators. If you ask a person to "pick a random number between 1 and 100", they are remarkably predictable.

Stephen Colbert used to ask guests, as part of a joke questionnaire, “what number am I thinking of?”

Several numbers, especially “seven” came up a lot.

https://www.youtube.com/watch?v=hJ-fOj7Qqvs

The answer was “three”, by the way. Which you could deduce by seeing how he responded to that guess (usually “interesting” instead of “no”) but he also confirmed it on the last show.