The cbs’ television show 60 minutes has been successful for many years. that show recently had a share of 20, which means that among the tv sets in use at the time the show aired, 20% were tuned to 60 minutes. assume that this is based on a sample size of 5000 – which is a typical sample size for this kind of experiments. construct a 95% confidence interval for the true proportion of tv sets that are tuned to 60 minutes..