Problem 4: Phoney Russian Roulette
Heuristics to highlight
Act it out, Draw a diagram, Restate the problem in another way, Aim for sub-goals.
Two bullets are placed in two consecutive chambers of a 6-chamber revolver. The
cylinder is then spun. Two persons play a safe version of Russian Roulette. The
first points the gun at his hand phone and pulls the trigger. The shot is blank.
Suppose you are the second person and it is now your turn to point the gun at your
hand phone and pull the trigger. Should you pull the trigger or spin the cylinder
another time before pulling the trigger?