**Unformatted text preview: **There is a pool of 10 freshmen, 7 sophomores, 8 juniors, 6 seniors, and 3 graduate students to choose from. 7. How many ways can you pick a delegation that only consists of juniors? 8. How many ways can you pick a delegation that has one representative from each class? 9. Say of the five people you pick, one must be named spokesman, one must take minutes of the conference proceedings, one is in charge of coffee, one is in charge of photo documentation, and one is in charge of swapping pins with other schools. How many ways can these tasks be assigned, if each delegate can only perform one duty? 10. How many ways can the tasks in (9) be assigned if there is no limit to the number of duties a delegate can perform?...

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