Probability

Probability is ...

• the chance that some event will occur.

• a game that involves coins.

• a guarantee.

Experimental Probability is:

• What Will happen 

• What actually happens

• What should happen

• What I think Happens

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

Probability can be written as ...

• a fraction

• a decimal

• a percent

• all of the above

Theoretical Probability is?

• What Should happen

• What does happen

• What Will Happen

• What I want to Happen

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

• 3/10

• 3/9

• 1/9

• 1/3

What is the probability of spinning the spinner and having it land on RED?

• 33%

• 50%

• 12%

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

What is the probability of the spinner landing on red?

• 5/12

• 1/5

• 5/5

• 3/5