Simple Probability

Front

What is the probability of choosing a letter that is NOT 'A' from the word 'ALGEBRA'?

Back

Front

An event has a 75% chance of happening. This event is ___?

Back

Likely.

Front

An event has a 100% chance of happening. This event is ___?

Back

Certain.

Front

When figuring the probability of an event, what number goes on top of your fraction?

Back

The number of the desired event.

Front

An event has a 0% chance of happening. This event is ___?

Back

Impossible.

Front

Define probability.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What does a probability of 0 mean?

Back

A probability of 0 means that the event is impossible.

Front

What does a probability of 1 mean?

Back

A probability of 1 means that the event is certain to happen.

Front

If an event has a probability of 0.5, what does that indicate?

Back

It indicates that the event is as likely to happen as not.

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes).