SOLUTION: solve the problem. an average. library contains at least 50 and at most 250 books, how many library owners must be polled to be certain that at least two owners have the same numbe
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Question 723859: solve the problem. an average. library contains at least 50 and at most 250 books, how many library owners must be polled to be certain that at least two owners have the same number books in their libraries. Answer by stanbon(75887) (Show Source):