When A-2 commits a fifth foul, how long should the timer be instructed to allow for the replacement?

The correct choice is that the timer should be instructed to allow 15 seconds for the replacement after A-2 commits a fifth foul. This timeframe is crucial to ensure that the substitution process is managed smoothly and that the game can proceed without unnecessary delays.

When a player fouls out, the officials need to give the team adequate time to make a substitution, as this maintains the flow of the game and ensures that the team can replace the fouled-out player effectively. The 15-second rule strikes a balance between the need for efficiency and allowing sufficient time for the team to adjust their lineup. This also helps the opposing team and the onlookers anticipate the change and prepare for the next phase of the game.

A shorter period, such as 5 seconds, would not provide teams enough time to make a strategic decision regarding their substitution, potentially impacting game strategy and fairness. In contrast, allowing 20 seconds might be excessive, possibly disrupting the tempo of the game. Thus, the 15 seconds is the established standard that supports both the teams' abilities to react and the overall pacing of the contest.