A jar contains 10 red marbles numbered 1 to 10 and 8 blue marbles numbered 1 to 8. A marble is drawn at random from the jar. Find the probability of the given event. (a) The marble is red Your answer is : C] (b) The marble is odd-numbered Your answer is : C] (c) The marble is red or odd-numbered (d) The marble is blue and even-numbered