This seems to be the correct answer, but I’m still not sure how to modify my intuitions so I don’t get confused by this kind of thing in the future. The key insight is that a group of fully coordinated/identical people (in this case the 9 people who guess the coin outcome) can be effectively treated as one once their situation is permanently identical, right?
This seems to be the correct answer, but I’m still not sure how to modify my intuitions so I don’t get confused by this kind of thing in the future. The key insight is that a group of fully coordinated/identical people (in this case the 9 people who guess the coin outcome) can be effectively treated as one once their situation is permanently identical, right?