Artificial Intelligence / Unit 7 AI 0355 short lesson, about 20 seconds
Expected Utility
Captions available
The idea
The expected utility of an action is the weighted average of its outcomes' utilities, weighted by their probabilities — and the optimal decision is the action with the highest.
In practice
Unit 6's weighted average, now averaging what the agent cares about instead of dollars or days.
Where people slip
Both columns matter by construction — how likely, and how much — exactly what the blind policy lacked.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Something wrong in this lesson? Flag it · Sources for Artificial Intelligence