ali8765ahmed8765 ali8765ahmed8765
  • 14-10-2016
  • Mathematics
contestada

A box contains 8 green and 4 blue marbles. Two marbles are selected (at once with no replacement). Find the expected number of green marbles among the selected ones.

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allisonlennon1922
allisonlennon1922 allisonlennon1922
  • 14-10-2016
The answer is the amazing 32


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