The owner of Showtime Movie Theaters, Inc. used multiple regression analysis to predict gross revenue () as a function of television advertising af dollars Weekly Cross Newspaper ($1000) Advertising ($1000) Advertising ($1000) 50 3.00 1.5 90 20 95 40 13 92 2.5 15 3.8 33 94 3.5 23 35 3.0 23 The estimated regression equation was newspaper advertising (y). Westy and expressed in the -323+229 +130 What is the gross revenue expected for a week where $3,500 is spent on television (-3.5) and $1,800 is spent on newer advertising (y-1) 03 dec 92.585 thousand b. Provide a 95% prediction interval for next week's revenue, assuming that the advertising expenditures will be acted as impet (a) o 2 decimals (93.585 thousand. & 93.585