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A jar contains 8 red marbles numbered 1 to 8 and 4 blue marbles numbered 1...

A jar contains 8 red marbles numbered 1 to 8 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 and even-numbered Your answer is :

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