Answer
15/36
Work Step by Step
E = {1-1, 1-2, 1-3, 1-4, 1-5, 2-1, 2-2, 2-3, 2-4, 3-1, 3-2, 3-3, 4-1, 4-2, 5-1}. So there are 15 possible outcomes, and the probability is 15/36.
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