nightmist
nightmist nightmist
  • 19-03-2017
  • Mathematics
contestada

pls help i dont know this



A bag contains 7 white marbles, 3 blue marbles, and 15 red marbles (and no other marbles). One marble is chosen without looking.

What is n(S)n(S) ?

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Braniac1234 Braniac1234
  • 22-03-2017
this question makes no sense what so ever...add a picture and I can help me throughly
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