4. At a high school movie night, the refreshment stand sells popcorn and soft drinks. Of the 100students who came to the movie, 62 bought popcorn and 47 bought a drink. 38 students boughtboth popcorn and a drink. What is the probability that a student buys a drink? Express your answer as a percent. Part B: What is the probability that a student buys a drink, given that he or she buys popcorn? Express your answer as a percent, rounded to the nearest tenth. Part C: Are buying a drink and buying popcorn independent or dependent events? Justify your(2 points)answer.