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Determining the hypergeometric distribution

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Reference no: EM131818397

A drawer contains 5 pairs of green socks, 3 pairs of black socks, and 4 pairs of red socks. All of the pairs are together, meaning that there are not 24 randomly distributed socks, but 12 pairs. You reach into the drawer and pull out 3 pairs of socks without putting any back. 

  1. Is this a binomial or a hypergeometric distribution? Explain. 
  2. What is the probability that you get 2 pairs of green socks? Leave your answer as a fraction in lowest terms.
  3. What is the expected number of pairs of green socks?

Reference no: EM131818397

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