QUESTION 3 A study was conducted to predict the origin of an automobile (American, European, or Japanese) based on the variables mpg, horsepower, and acceleration. a) Is this a regression or classification problem? b) The following is the confusion matrix for a test data set. What is the test accuracy rate? # # predicted ## observed American European Japanese # # American 149 9 9 # # European 27 12 Japanese 22 18 20 c) What is the sensitivity rate of American cars? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px N A v IX it to save and submit. Click Save All Answers to save all answers