Previously 81 of workers had a travel time to work of more


?Previously, 8.1 ?% of workers had a travel time to work of more than 60 minutes. An urban economist believes that the percentage has increased since then. She randomly selects 85 workers and finds that 11 of them have a travel time to work that is more than 60 minutes. Test the? economist's belief at the α=0.05 level of significance.

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