a and b

1 point(s) possible A market researcher for a consumer electronics company wants to study the media viewing behavior of residents of a particular area. A random sample of 50 respondents is selected, and each respondent is instructed to keep a detailed record of time spent engaged Viewing content across all screens in a particular week. The results are as follows: Content viewing time per week: X = 50 hours, S = 4.1 hours. 35 respondents have high definition (HD) on at least one television set. Complete parts (a) through (e) below. a. Construct a 95% confidence interval estimate for the mean content viewing time per week in this area sus (Round to two decimal places as needed.) b. Construct a 95% confidence interval estimate for the populaisproportion of residents who have HD on at least one television set. SRS (Round to four decimal places as needed.)