Uncertainty

Question 1

Why do we care about uncertainty?

Answer 1

Many challenging problems are challenging because of uncertainty, it affects the outcomes of the agent.

Question 2

What are the two types of uncertainty?

Answer 2

Stochasticity (outcome of actions uncertain, the environment can fluctuate).

State uncertainty (Sensor noise, limited sensor).

Question 3

What is the problem with using logic to maintain beliefs?

Answer 3

It doesn’t scale well, the set of possible states gats huge.

“Qualification problem”, need to specify all exceptions of desired effects of actions.

Question 4

What can help us deal with uncertainty?

Answer 4

Probability, it can help us maintain beliefs.