Fundamental Counting Principal, Permutations, Combinations

Front

What does 10C5 mean?

Back

Combinations with 10 choices and 5 positions.

Front

Which method would you use to calculate the number of ways to elect a President, a Vice President, and a Secretary from a group of 12 individuals?

Back

Permutation (order matters).

Front

What is the value of 5!?

Back

120.

Front

If James purchased 3 shirts, 3 jackets, and 2 pairs of pants, how many different outfits can he create?

Back

18.

Front

How many different ways can a team of 17 volleyball players choose 3 players?

Back

680.

Front

Define the Fundamental Counting Principle.

Back

If there are n ways to do one thing and m ways to do another, then there are n * m ways to do both.

Front

What is a permutation?

Back

An arrangement of objects in a specific order.

Front

What is a combination?

Back

A selection of objects without regard to the order.

Front

How do you calculate permutations of n items taken r at a time?

Back

n! / (n - r)!.

Front

How do you calculate combinations of n items taken r at a time?

Back

n! / (r! * (n - r)!).