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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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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