Jade and Jim are having a difficult time figuring outwhat movie to watch. Of the 20 movies on Jade'sshelf, 7 are rated R. To help narrow down thechoices, Jade randomly selects 5 movies, thenplaces them in alphabetical order. Jim then selectsthe third one for them to watch. Which of thefollowing expressions reflects the probability thatthe chosen movie is rated R?