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Please, I Need Help!!

The school debate coach must select a group of four from the 11-member team to go to the state championship. How many ways can the group be chosen?

A) 7,920
B) 7,133
C) 330
D) 24

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Respuesta :

buisangtn15
the answer is 330
choose 4 from 11 people without arrangement is 11C4
so theres 11 people inthe group. there are 11 possibilities for spot 1 of the 4. there are then 10 possibilitiesfor spot 2 of the 4. then 9 for spot 3 and 8 for spot 4. you wouldmultiply 11×10×9×8. so the answer is a) 7920