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Originally Posted by CaptHayfever  I'm not sure what the riddle is asking. I can't see the particular significance of an outsider to the experiment walking in & restating part of the instructions. |
The number of red hats isn't told to the guys with hats; it's part of the instructions to us to figure out what happens afterwards.
Spoiler Below I think we agree that if the outsider didn't say anything, and there was one red hat, the red hat couldn't be sure he had a red hat (maybe no one had a red hat and the host was just ****ing with them).
I'm trying to imagine if there were only two red hats; would they be able to leave at the second stroke if the outsider didn't say anything?