Vocabulary

Probability: the chances of an event will happen

Certain: the event will definitely happen

What are the chances of pulling a red marble?

It is certain that you will pull a red marble because they are all red!

Impossible: the event will not happen

What are the chances of pulling a blue marble?

IMPOSSIBLE!!

But why?

Least likely: an event will probably NOT happen

Most likely: an event probably WILL happen

What are the chances of pulling an orange marble?

Least likely

Why??

What are the chances of pulling a blue

marble?

This one is tricky, what are the chances of pulling out a green marble? What about

purple?

This is considered equally likely.

Equally likely is when there is the same amount of chances

of an event happening.

There were 7 green marbles and 7 purple marbles.

What are the chances of spinning a yellow?

What are the chances of spinning on purple?

What are the chances of spinning a blue?

What are the chances of spinning on purple, green, orange, and red?