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Consider the set S={0,2,4,6,8,10,12,14}.  Suppose you construct a subset of S by drawing elements randomly from S...

Consider the set S={0,2,4,6,8,10,12,14}.  Suppose you construct a subset of S by drawing elements randomly from S without replacement.  

What is the minimum number of elements this subset must contain such that you can guarantee that at least one pair of elements in the subset sums to 18?

Math   Statistics-And-Probability   
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