Question 17 1 pts Which of the following are valid probability models for discrete random variables? Select all that apply. Probability Model A 0 1 2 3 P(x) 0.1 0.3 0.3 0.2 Probability Model B X -2 -1 0 P(x) 0.25 0.5 0.25 Probability Model C X W X Y Z P(x) 10.45 0.35 0.15 0.05 Probability Model D X 100 200 300 400 P(x) 0.15 0.15 0.45 0.35 Probability Model E X 0.25 0.5 0.75 1 P(x) 0.6 0.2 0.05 0.15Question 10 1 pts Use the following information for Questions 10 - 12. Marketers are interested in how social media can influence prospective consumers of their products. Researchers investigated whether the volume of chatter on twitter (Tweet Rate measured as average of tweets per hour) could be used to predict box office revenue of movies (Box Office Revenue in millions of $). The regression output is given in the sheet named "Q 10-12". What is the regression equation to predict Box Office Revenue from Tweet Rate? Use values from the regression output (answers to three decimal places). PredictedBoxOffice Revenue;= -0.624 + 0.811 Tweet Ratei