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 that
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
13
if they are selected(a) with replacement,(b) without replacement.
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Mathematical Excursions
Authors: Richard N Aufmann, , Joanne Lockwood, Richard D Nation, Daniel K Clegg
3rd Edition
1305161793, 9781305161795
