Certain, likely, equally likely, unlikely, impossible

Front

What does 'certain' mean in probability?

Back

It means that an event will definitely happen.

Front

What does 'likely' mean in probability?

Back

It means that an event has a good chance of happening, but it is not guaranteed.

Front

What does 'equally likely' mean?

Back

It means that all outcomes have the same chance of occurring.

Front

What does 'unlikely' mean in probability?

Back

It means that an event has a small chance of happening.

Front

What does 'impossible' mean in probability?

Back

It means that an event cannot happen at all.

Front

If there are 3 red gumballs and 1 blue gumball, what is the probability of choosing a blue gumball?

Back

Unlikely, because there are more red gumballs.

Front

If a spinner has equal sections for 1, 2, and 3, which number is equally likely to land on?

Back

1, 2, and 3 are equally likely.

Front

In the set of numbers 2, 2, 3, 4, what is the mode?

Back

2, because it appears most often.

Front

If a spinner has sections for 1, 2, 3, and 4, which number is least likely to land on if it has 4 sections for 1 and 1 section for each of the others?

Back

2, 3, or 4 are less likely than 1.

Front

If you flip a coin, what is the probability of getting heads?

Back

Certain, because it can only land on heads or tails.