medium · GMAT Verbal
A bank redesigned its mobile banking app to allow customers to complete tasks such as depositing checks and applying for loans entirely from their phones. In the year after the redesign, the number of customers visiting a physical branch at least once a month fell by 37 percent. Bank executives concluded that the redesigned app caused the decline in branch visits.
Which of the following, if true, would most strengthen the executives' conclusion?
- The tasks most commonly performed in branches before the redesign, check deposits and loan applications, are now most often completed through the app.
- The bank reduced its branch operating hours during the same year.
- The bank closed several branch locations during the same year.
- The bank's customer satisfaction scores improved during the same year, a change the bank attributed mainly to shorter hold times on its phone support line.
- More customers opened new accounts with the bank during the same year.
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