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7.8% of drivers in Pennsylvania were uninsured 5 years ago. A campaign was conducted to help improve this percentage. This year a survey of 1450
7.8% of drivers in Pennsylvania were uninsured 5 years ago. A campaign was conducted to help improve this percentage. This year a survey of 1450 drivers found that 90 were uninsured. Conduct a hypothesis test at the 1% significance level to determine if the campaign has been effective. Make sure to give the hypotheses, test statistic, P-value, decision, and interpretation
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