saidm17777 saidm17777
  • 08-02-2024
  • Mathematics
contestada

В мешке 50 шаров из них 10 синих, 20 красных остальные жёлтые.
Найти вероятность, что вынув три шара, они окажутся разного цвета?
Найти вероятность, что шар вынутый вторым окажется красным?

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