I can find combinations using combination notation.

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Presentation transcript:

I can find combinations using combination notation.

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.

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

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

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

P.766 #27-39 All, 46