According to the Center for Disease Control website, in 2011

According to the Center for Disease Control website, in 2011 not less than 18% of high school students have smoked a cigarette. An Introduction to Statistics class in Davies County, KY conducted a hypothesis test at the local high school (a medium sized-approximately 1,200 students-small city demographic) to determine if the local high school’s percentage was lower. One hundred fifty students were chosen at random and surveyed. Of the 150 students surveyed, 82 have smoked. Use a significance level of 0.07 and using appropriate statistical evidence, conduct a hypothesis test and state the conclusions.

Here’s the SOLUTION

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