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I play a game in which two dice are thrown together. I win if the product of the two numbers appearing on their tops is odd or a multiple of 5. The probability of my winning is : (1) 1/3(2) 5/12(3) 7/18(4) 1/4 |
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Answer» Correct option (2) 5/12 Explanation: P(odd) = {1,3,5,9, 15, 25} P(multiple of 5) = {5, 10, 15, 20, 25,30} (1,1), (1,5), (5,1) (1,3), (3,1), (3,3) (5,3), (3,5) (5,5), (2,5), (5,2) (4,5),(5,4),(6,5), (5,6) P(E) = 15/36 = 5/12 |
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