medium · GMAT Verbal
Argument: A company switched its customer service from human agents to an automated AI system. One month later, the average resolution time per ticket decreased by 30%. The company concluded that the AI system is more efficient at resolving customer issues than human agents were.
Which of the following is an assumption required by the argument?
- After the transition to the AI system was complete, overall customer satisfaction ratings either held steady or actually improved somewhat.
- On average, the human agents who were replaced had built up noticeably more years of customer-service experience than the broader industry norm.
- The newly deployed AI system is technically able to handle a virtually unlimited number of customer tickets at the very same time.
- The complexity of the customer issues received during the month after the switch was not significantly lower than in previous months.
- For routine and simple issues, most customers say they prefer using an automated system over speaking with a human agent.
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