A jar contains 2 red marbles numbered 1 to 2 and 4 blue marbles numbered 1 to 4. A marble is drawn at random from the jar. Find the probability of the given event. (a) The marble is red Your answer is : ------------------ (b) The marble is odd-numbered Your answer is : --------------------- (c) The marble is red or odd-numbered Your answer is : ------------------------- (d) The marble is blue or even-numbered Your answer is : ------------------------------