We learned about the hypergeometric probability distribution today, in which you have a population of size with successes in the population. You take a sample of size and can now calculate the probability of having successes in your sample.
Your homework was Page 404 #1-3, 5b, 6b, 8, 10, 11. I especially want you to complete 8, 10, and 11.
You asked for another example to work from, so here are a few (including a Magic: the Gathering example, which I know you all love):