Suppose a social scientist is interested in studying what makes audiences love or hate a movie. She collects a random sample of movies (genre, length, cast, director, budget, etc.) as well as a measure of the success of the movie (score on a film review aggregator website). a. If as part of her research she is interested in finding out which variables are significant predictors of movie success, what type of model selection method should she use

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points