Choose the fair bank-lobby move
Choose a queue action that protects fairness when multiple service points are open.
Two tellers are open. One customer is drifting outside the visible line. What should the branch lead do right now? Step to the entrance, guide everyone into one visible line, and explain that the next available teller calls the next person Correct. A single visible line protects FIFO fairness and reduces the anxiety of choosing the wrong teller. Let each teller pull whoever looks ready so the lobby clears faster Weaker. It may feel efficient to staff, but customers see opaque selection and may read it as favoritism. Serve the confused customer immediately because they are already near the desks…
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