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