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PurpleAngel PurpleAngel
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Posts: 692
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6 years ago
Given an urn containing 3 red balls and 4 white 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 red?
 
  A) 2/7
  B) 7/12
  C) 1/6
  D) 1/7
  E) 1/5
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