several pows are told by the king of enemies that they will put to sleep by injection and the next morning each of them will wake up with a green or red hat on. Each will see the color of each other but not of their own. The will ask the color of each own hat and the pow will be killed if the guess will be wrong. The pows need to establish a strategy that will guarantee survival of all of them except possibly one.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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several pows are told by the king of enemies that they will put to sleep by injection and the next morning each of them will wake up with a green or red hat on. Each will see the color of each other but not of their own. The will ask the color of each own hat and the pow will be killed if the guess will be wrong. The pows need to establish a strategy that will guarantee survival of all of them except possibly one. 

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