A Potential Investor Conducted a 49 Day Survey in Two

Short Answer

A potential investor conducted a 49 day survey in two theaters in order to determine the difference between the average daily attendance at North Mall and South Mall Theaters. The North Mall Theater averaged 720 patrons per day with a variance of 100; while the South Mall Theater averaged 700 patrons per day with a variance of 96. Develop an interval estimate for the difference between the average daily attendance at the two theaters. Use a confidence coefficient of 0.95.