3 ms·
In the number guessing trick popularised by David Blaine 37 is the most probable answer. 13, I think, is the second probable, which is interestingly 50 minus 37
by canistel 3y ago
In the number guessing trick popularised by David Blaine 37 is the most probable answer. 13, I think, is the second probable, which is interestingly 50 minus 37.
https://www.cs4fn.org/mathemagic/streetmagic.php https://www.cs4fn.org/mathemagic/streetmagic.php
- Modified3019 3y agoI’ve seen reference that people tend to bias towards odd numbers for “random” numbers. I wouldn’t be surprised if we consider prime numbers to “be even more randomer”.
- Modified3019 3y agoNot planning to spiral off into real research to see if odd bias is a real thing or apocrypha, but these were interesting: https://uxdesign.cc/odd-vs-even-number-psychology-6307047bf5de https://uxdesign.cc/odd-vs-even-number-psychology-6307047bf5... https://www.reddit.com/r/dataisbeautiful/comments/acow6y/asking_over_8500_students_to_pick_a_random_number/ https://www.reddit.com/r/dataisbeautiful/comments/acow6y/ask... 7 is definitely a favorite at least.
- latexr 3y ago> I’ve seen reference that people tend to bias towards odd numbers for “random” numbers. I can see the logic behind that, but for the trick in question it’s not like they have a choice (emphasis added): > Ask your friend to quickly think of a two-digit number between 1 and 100, both digits odd and both digits different from each other. One thing they don’t mention on the page is that after all the constraints, only a fifth of the original hundred are valid choices: 13, 15, 17, 19, 31, 35, 37, 39, 51, 53, 57, 59, 71, 73, 75, 79, 91, 93, 95, 97. So while on the surface it may seem like you’re guessing one number out of a hundred, you’re guessing one out of twenty.