Q4. (10 points) Write probabilities as fractions if possible. Purchased Gum Kept the Money Students Given Four Quarters 25 12 Students Given a $1 bill 13 37 a) If one of the subjects is randomly selected, find the probability that the student purchased gum or given a $ 1 bill. b) Find the probability of randomly selecting a student who spend the money, given that the student was given four quarters. c) If two students are randomly selected without replacement, find the probability that both students kept the money