Area Models Probability

Probability Models - Pt. 2

Reminder

• A probability model is a mathematical representation of different possibilities.

• A model consists of a sample space, the set of all possible outcomes of an experiment, and a set of probabilities for each part of the sample space

Part 1

• Spinners

• Dice

• Number Tables

Part 2

• Lists

• Counting Principle

• Tree Diagrams

Multiple Choice

What is the total number of outcomes for...

Tossing 3 coins

• 2 x 3 = 6

• 2 x 2 x 2 = 8

• 3 x 3 = 9

• 4

Multiple Choice

What are the number of outcomes in this tree diagram?

• 16

• 10

• 1/8

• 8

Multiple Choice

This is an example of a...

• Tree Diagram

• Table/Area Model

• List

Multiple Choice

A coin is flipped 3 times, determine the probability that we will get exactly two heads

• 3/8
• 2/8
• 1/2
• 1/4

Multiple Choice

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

Multiple Choice

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

Multiple Choice

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

• 6
• 12
• 24
• 36