shaunalab
shaunalab shaunalab
  • 26-03-2017
  • Mathematics
contestada

Without looking, not picking a red hat from a box that holds 20 red hats, 30 blue hats, 15 green hats, and 25 white hats.

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Аноним Аноним
  • 26-03-2017
that's a probability of 70/90.
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