The article More Teen Drivers See Marijuana as OK; Its a Dangerous Trend (USA Today, February 23,
Question:
The article “More Teen Drivers See Marijuana as OK; It’s a Dangerous Trend (USA Today, February 23, 2012) describes two surveys of U.S. high school students. One survey was conducted in 2009 and the other was conducted in 2011. In 2009, 78% of the people in a representative sample of 2,300 students said marijuana use is very distracting or extremely distracting to their driving. In 2011, 70% of the people in a representative sample of 2,294 students answered this way. Use the five-step process for estimation problems (EMC3) to construct and interpret a 99% large- sample confidence interval for the difference in the proportion of high school students who believed marijuana was very distracting or extremely distracting in 2009 and this proportion in 2011.
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Using the 5step process EMC 3 Estimate E The difference between the proportion of high school students who believed marijuana was very distracting or ...View the full answer
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