OpenStax, Contemporary Mathematics §7.3 Combinations · Example 4 · Combinatorics · Permutations & combinations
Combinations · Example 4
The student government at a university consists of 10 seniors, 8 juniors, 6 sophomores, and 4 first-years.
(a) How many ways are there to choose a committee of 8 people from this group?
(b) How many ways are to choose a committee of 8 people if the committee must consist of 2 people from each class?
OpenStax, Contemporary Mathematics · §7.3 Combinations · Example 4
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