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A poll conducted in 2013 found that 52% of all US adult Twitter users get at least some news on Twitter. However, this value
A poll conducted in 2013 found that 52% of all US adult Twitter users get at least some news on Twitter. However, this value was based on a sample, so it may not be a perfect estimate for the population parameter of interest on its own. The study was based on a sample of 736 adults. Below is a distribution of 1000 bootstrapped sample proportions from the Pew dataset. (Pew Research Center 2013b) 0.46 0.47 0.48 0.49 0.50 0.51 0.52 0.53 0.54 0.55 **** 0.56 0.57 a. Using the distribution of 1000 bootstrapped proportions, approximate a 98% confidence interval for the true proportion of US adult Twitter users (in 2013) who get at least some of their news from Twitter. b. Interpret the interval in the context of the problem. With 98% confidence, the true proportion of all US adults who live with one or more chronic conditions is between and
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