Part A: What is the probability that a student buys a drink? Express your answer as a percent. (2 points) 47 100 = 47% 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. (2 points) P(AIB ) = P(AnB) . 38 A = Drink P(B ) . 47 A . 80 ~ 80% B = Popcorn Part C: Are buying a drink and buying popcorn independent or dependent events? Justify your answer. (2 points) P(A) X P(B ) = P(ANB) Dependent (- 47 ) * (.62 ) = . 38