IOM 2020, Блиц — Задача 5

The Blitz-contest of IOM-2020

Условие

A method returns a random number (like UUID) as a 4 bit value. If the method is called 4 times, what is the probability that at least two of the return values are equal?

  • approximately 10%
  • approximately 25%
  • approximately 33%
  • approximately 66%

Отговори

Решение

Внимание: Непълно решение

The source contains only the answer key, no worked solution.


Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf