olymmath

Putnam 1958 A3

  • Session A
  1. Real numbers are chosen at random from the interval (0≤x≤1)(0 \leq x \leq 1). If after choosing the nnth number the sum of the numbers so chosen first exceeds 1 , show that the expected or average value for nn is ee.

Dataset text PutnamGAP. Quoted with source.

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