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Printsmc
counting and probability senior
Problem
A piece of string is cut in two at a point selected at random. The probability that the longer piece is at least x times as large as the shorter piece is
(A)
(B)
(C)
(D)
(E)
Solution
The string could be represented by a line plot segment on the interval . The interval is a solution as well as . The probability is therefore
Final answer
E