Question: Two integers are randomly selected from the set {1, 2, 3, 4, 5, 6, 7, 8, 9) and are added together. Find the probability

Two integers are randomly selected from the set {1, 2, 3, 4,

Two integers are randomly selected from the set {1, 2, 3, 4, 5, 6, 7, 8, 9) and are added together. Find the probability that their sum is 12 if they are selected (a) with replacement, (b) without replacement. (a) The probability that their sum is 12 if they are selected with replacement is (Type an integer or a simplified fraction.) T

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