Please be sure to answer all parts and show your work. Show your work and the formulas

1) Use the following information to make a 95% Confidence Interval. (10 points) A sample of 450 adult Americans found the average hours of TV watched per day was 2.8 with a standard deviation of .3. a. What is n?________________ (1pt) b. What is ?_______________ (1pt) c. What is ?________________ (2pts) d. What is !?_________________ (2pts) e. What is the margin of error?_________________ (2pts) f. You are 95% confident that the true mean is between __________ and ____________ (2pts)