identify the null and alternative hypotheses previously 72 of workers
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Question
Previously, 7.2% 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 50
workers and finds that 9 of them have a travel time to work that is more than 60 minutes. Test the economist's belief at the a=0.05 level of significance. Identify the null and alternative hypotheses.