Discussion
Which of the following statements are true for 'Rational Agents' ?
(i) it perceives its environment through sensors
(ii) it acts upon the environment through actuators
(iii) it improves its performance through learning
(iv) it knows the actual outcome of its actions
Answer: B
Statements (i), (ii) and (iii) are true, so the answer is (i), (ii) and (iii).
An agent perceives its environment through sensors (i) and acts upon it through actuators (ii). A rational agent chooses the action expected to maximise its performance measure, and it should learn as much as possible from what it perceives so as to improve that performance (iii).
Statement (iv) is false. Rationality is not omniscience: an omniscient agent would know the actual outcome of its actions, but a rational agent only maximises expected performance given what it knows. Options with (iv) are therefore wrong.
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