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sadkat sadkat
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6 years ago
Given an urn containing 4 green balls and 5 orange balls. If two balls are drawn and the first ball is not replaced before the second is drawn, what is the probability that both balls are green?
 
  A) 7/18
  B) 1/6
  C) 4/27
  D) 7/17
  E) 16/81
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etherae1etherae1
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6 years ago
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6 years ago
You make an excellent tutor!
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