Picking any red, blue, green or yellow marble out of a bag with only these four colors of marbles.

The Probability Line above shows all possible probabilities, from 0% to 100%.

What is the probability shown with the red arrow?

The Probability Line above shows all possible probabilities, from 0% to 100%.

What is the probability shown with the red arrow?

If the probability of an event happening is between 0 and 50%, we say the event is "unlikely."

If the probability of an event happening is between 50 and 100%, we say the event is "likely."

The arrow shows that the probability of an event happening is about 80%. Is this event likely or unlikely?

An outcome with the probability of 19/20 would be described as _.

Probabilities are always between...

The chance of flipping a tail on a normal coin is equally as likely as flipping a head.