Question

How many different 12-member juries can be chosen from a pool of 45 people?
886,163,135
28,760,021,750
3,190,187,286
10,150,585,910

would this be permutation?

Answer 1

this is selection and not arrangement(permutation)

Answer 2

but I got an answer thats in the options by doing combination

Answer 3

selection means here combination

12-member juries can be chosen from a pool of 45 people in C(45,12) ways
= (45!) / ( (12!) *(45-12)! )

Answer 4

oh so yay I got it right! :)

Answer 5

yup