Simple Probability

Probability is defined as...

• the set of all possible outcomes.

• the likelihood that an event will happen.

• the fundamental counting principle.

Sample space is defined as...

• a list of all possible outcomes.

• a diagram of all possible outcomes.

• the likelihood of an event occurring.

Which of the following is NOT a possible outcome when you spin this wheel?

• 250

• 400

• 10

How many outcomes are there in spinning this wheel?

• 2

• 4

• 6

Which of the following shows the sample space for drawing ball inside the box?

• {red}

• {red, violet, yellow green, yellow}

• {yellow, violet}

If you roll this six-sided number cube, what are the possible outcomes?

• 4,5,6

• 1,2,3,4,5,6

• 6

• 3

If you roll this six-sided die, what are the favorable outcomes of rolling a number greater than 3?

• 4,5,6

• three

• 1,2,3

• half

If you drew one of these letters at random, what are the possible outcomes?

• 7

• G,B,S,E,A,L,T

• S,E,A

• S,A,L,T

If you randomly picked one of these tiles, what are the favorable outcomes of not choosing a vowel?

• 2

• 5

• A,E

• G,B,S,L,T

What is the probability of flipping a coin and getting heads?

• 1/2

• 1/3

• 1/4

• Never, Tails never fails.