Probability, Outcomes, Combinations and Permutations

How many ways can you listen to 3 songs from a CD that has 12 selections?

• 1320

• 33

• 36

Homecoming has 7 candidates for King. How many ways can a King and a First Runner-up be chosen to form the Festival Court?

• 23

• 840

• 42

• 3,628,800

What does the P stand for in _nP_r?

• Partners

• Positions

• Papers

• Permutations

In how many ways can 3 different vases be arranged on a tray?

• 3

• 9

• 6

• 12

₇P₂

• 0

• 7

• 42

• 210

A menu has 6 different sandwiches, with 3 choices of potato chips, 3 types of salad and 5 different beverages. How many different lunch combinations consisting of a sandwich, chips and beverage can be ordered?

• 30

• 17

• 90

• 270

How many total outfit options are represented?

• 12

• 22

• 3

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling an even number and flipping a head?

• ³/₁₂

• ¹/₂

• ⁴/₁₂

• ⁰/₁₂

Which shows the sample space (set of all possible outcomes) for flipping two coins?

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel

You have 4 framed portraits. How many ways can you arrange all 4 of them on the top of your bookshelf?

• combination

• permutation

• neither