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ML: Permutations and Combinations
供稿人: Shepherd
Permutation:
In how many ways can you pick a football 
center and quarterback from 6 players
who try out?
Permutation:
For a meeting agenda, in how many ways
can you schedule 3 speakers out of 10
people who would like to speak?
Combination:
In how many ways can Susie choose 3 of 10
books to take with her on a trip?
Combination:
In how many ways can Rosa select 2 movies to
rent out of 6 that she likes?
Permutation:A roller coaster has room for 10 people.  The people sit single file, one after the other.  Howmany different arrangements are possible for 10 passengers on the roller coaster?
*Use commas! 
Permutation:
Numbers are to be formed using the digits
1,2,3,4,5,6 in which no digit repeats.  How
many 3-digit numbers can be formed?
Combination:
In how many ways can Mrs. Harris pick 3 flowers
from 8 for a bouquet?
Combination:
In how many ways can a town name 5 citizens
out of 10 to serve on a committee?
Combination:
A team of nine players is to be chosen from
15 available players.  In how many ways can 
this be done?
Use commas!
Permutation:
If 8 people run a race, in how many ways can
they win 1st, 2nd, and 3rd place?

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