Final answer:
If the guess is 8 and the selected number is 9, the message displayed would be 'Incorrect'.
Step-by-step explanation:
In this scenario, if the guess is 8 and the selected number is 9, the correct answer is 2) Incorrect.
Since the guess and the selected number are not the same, the answer is considered incorrect. Therefore, the message displayed to the student would be Incorrect.