Today we will continue with our study of counting principles to lay the foundation for calculating probability. In the previous lesson, we worked with permutations, orderings of a number of objects. Today we will focus on combinations, choosing a set of objects where order is not important. To see some examples of both, click here. To see some more problems involving permutations and combinations and their solutions click here.
Homework:
pages 712-713 #'s 18-24 even, 26-30 all, 47-58 all
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