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What does the principle of maximum expected utility prescribe?

  • A.Choosing the action with the highest probability weighted utility
  • B.Choosing the action whose worst outcome is least bad
  • C.Choosing the action with the highest utility in the most likely outcome
  • D.Choosing the action that maximises utility regardless of probability

Answer: A

The principle weights each outcome by its probability and selects the action with the greatest average, which follows from a small set of axioms about consistent preference. Minimax over worst cases is a more conservative alternative, and the other options ignore either probability or the less likely outcomes. A decision rule derived from axioms about preference is on far firmer ground than one adopted because it seems reasonable. Reading the definition literally, rather than recalling a formula, is the reliable route through questions of this shape.

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