Got a YouTube account?

New: enable viewer-created translations and captions on your YouTube channel!

English subtitles

← 06-48 Identity Challenges Solution

Get Embed Code
1 Language

Showing Revision 1 created 06/29/2012 by Amara Bot.

  1. So that probability is greater than 0.999,
  2. and the reason for that is the only way she wouldn't be caught
  3. is if the two people she spends the bill with
  4. take exactly the same challenge.
  5. The challenge is 10 bits long,
  6. so the probability that would happen
  7. is 1/2^10--1 in 1,024.
  8. And 1 minus that is greater than 0.999.
  9. So that's pretty high. If that's not good enough, we could increase m.