Making decisions under uncertainty Suppose I believe the following: P(A25 gets me there on time 1...) =0.04 P(Ago gets me there on time l...) =0.70 P(A120 gets me there on time |... =0.95 P(A1440 gets me there on time |... =0.9999 Which action to choose? Depends on my preferences for missing flight vs.time spent waiting,etc. Utility theory is used to represent and infer preferencesMaking decisions under uncertainty Suppose I believe the following: P(A25 gets me there on time | …) = 0.04 P(A90 gets me there on time | …) = 0.70 P(A120 gets me there on time | …) = 0.95 P(A1440 gets me there on time | …) = 0.9999 • Which action to choose? • Depends on my preferences for missing flight vs. time spent waiting, etc. – Utility theory is used to represent and infer preferences –