easy · GRE Verbal
A transit agency added real-time arrival displays. Riders reported less uncertainty even though average waiting time did not change.
Which statement best expresses the main idea?
- Arrival displays shortened waits but left uncertainty unchanged.
- Riders waited longer because the displays increased uncertainty.
- Arrival information reduced uncertainty without reducing wait time.
- The displays reduced both uncertainty and average waiting time.
- Average waits fell even though riders felt less certain.
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