Hat puzzle 5 prisoners answer correctly and 5 do not. Note that the prisoners cannot find a strategy guaranteeing the release of more than 5 prisoners. Indeed, for a single prisoner, there are as many distributions of hat colors where he says the correct answer than there are where he does not. Hence, there are as many distributions of hat colors where 6 or more prisoners say the correct answer than there are where 4 or fewer do so. In this variant, a countably infinite number of prisoners, each with an unknown and randomly assigned red or blue hat line up single
Gary Gallon Gary Gallon Gary Thomas Gallon (October 1, 1945 – July 3, 2003) was a Canadian environmental activist and policy advisor. President of the Canadian Institute for Business and the Environment, and editor of "The Gallon Environment Letter", Gallon dedicated 30 years to raising environmental awareness among Canadians and inspiring environmentalists worldwide. Originally from California, Gallon came to Canada during the Vietnam War. Gallon's early forays in environmental activism included helping to found the Society Promoting Environmental Conservation (SPEC, now one of the oldest environmental organizations in British Columbia) and co-founding Greenpeace. His later moves away from heady activism into the