A Harris Poll of 2300 U.S. adults surveyed online in April 2014 reports that 43% regularly watch television shows through streaming.
a. Find a 95% confidence interval and interpret it in context.
b. Would a 99% confidence interval result in a wider or narrower interval? Explain.
c. If the survey had found the 43% streaming based on a survey including 5000 adults (instead of 2300), would the interval be wider or narrower compared to the one in part a? Explain.