Probability and Combinations

Front

What does 'likely' mean in probability?

Back

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

Front

What does 'unlikely' mean in probability?

Back

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

Front

What does 'certain' mean in probability?

Back

It means that an event will definitely happen.

Front

What does 'impossible' mean in probability?

Back

It means that an event cannot happen at all.

Front

What does 'equally likely' mean?

Back

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

Front

If you roll a die, how many sides does it have?

Back

A die has 6 sides.

Front

What is the probability of rolling a 1 on a die?

Back

1 out of 6.

Front

What is the probability of NOT rolling a 1 on a die?

Back

5 out of 6.

Front

If you have 10 marbles, how many ways can you choose 2 marbles?

Back

There are 45 ways to choose 2 marbles from 10.

Front

What is a combination in probability?

Back

A combination is a selection of items where the order does not matter.