Solve the following:
Q1: One fair die is rolled. What is the probability of getting an even number?
Q2: A card is selected at random from an ordinary 52-card deck. What is the probability that it is a heart?
Q3: In the Maryland Cash In Hand game, to win the grand prize the contestant must match seven distinct numbers, in any order, among the numbers 1 through 31 randomly drawn by a lottery representative. What is the probability of choosing the winning numbers?