Alg1B - 12.6 - Permutations and Combinations

When the objects in a sample space are arranged so that order is important, each possible arrangement is called a:

• permutation

• combination

• factorial

• probability

Find:  $4!$  

• 4

• 24

• 10

• 15

Lloyd and five friends go to a movie. In how many different ways can they sit together in a row of 6 empty seats?

• 720 ways

• 120 ways

• 400 ways

• 6 ways

Tracy wants to display 3 of 5 pictures on her wall in a straight line. How many ways can she arrange the pictures?

• 60 ways

• 120 ways

• 10 ways

• 3 ways

A selection of objects in which order is not important is call a...

• Permuation

• Combination

• Factoria

• Probability

Linda is packing to go away for the weekend. She needs to pick 3 of her 10 shirts. How many ways can Linda choose the shirts?

• 120

• 350

• 3

• 10

There are 14 toppings listed on a pizza menu. How many different six-topping pizzas are possible?

• 3003

• 100

• 24

• 6

Identify the type of situation: Choosing 3 different pizza toppings from a list of 12.

• Combination

• Permutation

Identify the type of situation: Choosing team captains for a football team.

• Combination

• Permutation

Identify the situation: Choosing first-, second-, and third-place winners of an art competition.

• Combination

• Permutation