According to a certain government agency for a large country, the proportion of fatal traffic accidents in
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According to a certain government agency for a large country, the proportion of fatal traffic accidents in the country in which the driver had a positive blood alcohol concentration (BAC) is 0.37 . Suppose a random sample of 106 traffic fatalities in a certain region results in 51 that involved a positive \(\mathrm{BAC}\). Does the sample evidence suggest that the region has a higher proportion of traffic fatalities involving a positive BAC than the country at the \(\alpha=0.1\) level of significance?
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Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan
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