BRIDGETT W.
asked • 10/09/18how many different ways can a group of three people be selected from this group of 16
Oscar A. answered • 10/10/18
Very Patient Tutor
hello Bridgett w. Use the following formula.
n !
____________.
(n - r) !
n=16.
r=3.
16 !
_________.
(16- 3) !
= 16!
________.
13 !
= 16 x 15 x 14 x 13 ..
________________.
13. (Now cancel out the 13 on top and bottom. And you are left on the top:
16 x 15 x 14 = 3,360 ----> Ansr.
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