roychapman roychapman
  • 14-05-2017
  • Mathematics
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of 30 boxes 2 contain blue plates, what is the probability of picking a blue box at random

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Аноним Аноним
  • 14-05-2017
If 2 boxes contain a blue plate, then it would be a probability of 2:30 because you have 30  boxes of unknown amount of plates with only 2 boxes with one blue plate in it.
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