Question: The National Highway Traffic Safety Administration found that among the
The National Highway Traffic Safety Administration found that, among the crashes with recorded times, EMS notification times exceeded 10 minutes in 19.4% of rural fatal crashes. A random sample of 500 reported fatal crashes in Kentucky showed 21.8% of the notification times exceeded 10 minutes. Construct the 95% confidence interval for the true proportion of fatal crashes in Kentucky whose elapsed notification time exceeded 10 minutes.
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