poc40
poc40 poc40
  • 09-05-2017
  • Mathematics
contestada

in a mix of red and white pebbles in a bag in the ratio of 3 to 7. Find the probability that if 3 pebbles are chosen from the mixture at least one is white

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Аноним Аноним
  • 09-05-2017
the probability is 3 to 7.
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