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A popular uprising that started on January 25, 2011 in Egypt led to the 2011 Egyptian Revolution. Polls show that about 69% of American adults
A popular uprising that started on January 25, 2011 in Egypt led to the 2011 Egyptian Revolution. Polls show that about 69% of American adults followed the news about the political crisis and demonstrations in Egypt closely during the first couple weeks following the start of the uprising. Among a random sample of 30 high school students, it was found that only 17 of them followed the news about Egypt closely during this time. a] Write the hypotheses for testing if the proportion of high school students who followed the news about Egypt is less than the proportion of American adults who did. Hu:p-~/ o" 0.69 HAW-v o\" 0.69 b} Calculate the proportion of high schoolers in this sample who followed the news about Egypt closely during this time. 0.781 x [Round to 3 decimal places.) c} Below is a histogram showing the sampling distribution for 10,000 simulations under the null hypothesis. Estimate the pvalue using the plot. 0\" {Round to 3 decimal places.) d} Based on a level of significance of 5% we should '/ 0\" the null hypothesis. e] Write an appropriate conclusion about the alternative hypothesis, in context. The alternative hypothesis is that less than 59 percent of American adults who followed the news about the political crisis
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