Lesson 6.1-6.3

Front

What is the total number of ways to answer a quiz with 4 true/false questions and 3 multiple choice questions (4 options each)?

Back

1024

Front

What does the P stand for in nPr?

Back

Permutations

Front

How many different styles of sneakers can be created with high-top or low-top, shoelaces or velcro, and colors black, white, and red?

Back

12

Front

How many different outfits can be made with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Back

80

Front

What is the method used to select a President, Vice-President, and Secretary from a group of 12?

Back

Permutation

Front

Define 'Permutation'.

Back

An arrangement of objects in a specific order.

Front

Define 'Combination'.

Back

A selection of items without regard to the order.

Front

If a quiz has 5 questions and each question has 3 possible answers, how many ways can the quiz be answered?

Back

243

Front

What is the formula for calculating permutations of n items taken r at a time?

Back

nPr = n! / (n - r)!.

Front

What is the formula for calculating combinations of n items taken r at a time?

Back

nCr = n! / [r!(n - r)!].