9/6/23 Probability

What is an outcome?

• The result of an experiment
• The chance or likelihood of an event
• A fraction, decimal, or a percent
• An activity that gives various results

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

• 2/7

• 1/6

• 5/7

• 25/26

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

A die is rolled once.  What is the probability of rolling a 5? Your answer should be a fraction in simplest form.

• 1/6
• 1/3
• 2/5
• 5/6

A die is rolled once.  What is the probability of rolling an odd number? Your answer should be a fraction in simplest form.

• 1/6
• 1/2
• 3/6
• 2/5

A die is rolled once.  What is the probability of rolling a 5 or a 6? Your answer should be a fraction in simplest form.

• 5/6
• 2/6
• 1/3
• 1/5

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

A set of all possible outcomes is known as - 

• a list
• a complement
• a sample space
• an event