The owner ofr Showtime Movie Theaters, Inc., used multiple regression analysis to predict gross revenue (N) as a function of television advertising (31) and newspaper advertising (). Values of 9, z1,...

Extracted text: The owner ofr Showtime Movie Theaters, Inc., used multiple regression analysis to predict gross revenue (N) as a function of television advertising (31) and newspaper advertising (). Values of 9, z1, and are expressed in thousands of dollars, Weekly Gross Television Newspaper Revenue Advertising Advertising ($1000s) ($1000s) ($1000s) 96 5.0 1.5 90 2.0 2.0 95 4.0 1.5 76 92 2.5 2.5 95 3.0 3.3 94 3.5 2.3 94 2.5 4.2 94 3.0 2.5 The estimated regression equation was ý 83.23 + 2.29s +1.30z a. What is the gross revenue expected for a week where $3,500 is spent on television (*1 =3.5) and $1,800 is spent bn newspaper advertisiny ( = 1.8) (to 3 decimats)? thousand b. Provide a 95% prediction interval for next week's revenue, assuming that the advertising expenditures will be allocatad as in part (4) (1o 2 Jucinials) thousand, $ thuusand)