Probability Outcomes and Events

What is the Favorable Outcome?

• All of the Outcomes

• What Will Happen

• What Can Happen

• What I want to Happen

Possible results in a probability situation are called . . .

• outcomes

• trials

• likelihoods

• favorable answers

In order to figure out who will go first in a game, your friend asks you to pick a number between 1 and 5. What are the possible outcomes?

• 1

• 1,2,3,4,5

• 5

• 1, 5

If you flip a penny, how many possible results are there?

• 1

• 1,2

• 2

• heads, tails

In order to figure out who will go first in a game, your friend asks you to pick a number between 1 and 9. What are the favorable outcomes of choosing an even number?

• 4

• 1,3,5,7

• 2,4,6,8

• 9

A bag is filled with 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. You randomly choose one marble from the bag. Find the number of ways the event can occur.

• 12

• 4

• 3

• 2

A bag is filled with 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. You randomly choose a red marble from the bag. What are the favorable outcomes?

• red

• red, blue, yellow, green

• 4

• red₁,red₂,red₃,red₄

A bag is filled with 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. You randomly choose a green marble from the bag. What are the favorable outcomes?

• 2

• green₁, green₂

• red, blue, yellow, green

• 12

A bag is filled with 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. You randomly choose a marble that is not blue from the bag. What are the favorable outcomes?

• blue₁, blue₂, blue₃

• 9

• red₁,red₂,red₃,red₄,yellow₁,yellow₂, yellow₃,green₁,green₂

• 3

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.