1. I can find combinations using combination notation.

2. Selection of objects WITHOUT regard to order. Order does not matter Ex: selecting two side dishes from a list of five The order in which you select your dishes doesn’t matter.

3. n C r shows the number of combinations of n objects chosen r at a time. Ex:

4. Twenty people report for jury duty. How many different 12-person juries can be chosen?

5. Enter the number of objects Press MATH Left arrow 3 (nCr) Enter the number to be selected ENTER

6. P.766 #27-39 All, 46