Simple Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is a sample space?

Back

A sample space is the set of all possible outcomes of a probability experiment.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

What is the probability of a certain event?

Back

The probability of a certain event is 1.

Front

What is the range of probability values?

Back

Probability values range from 0 to 1.

Front

If a spinner has 4 equal sections colored red, blue, green, and yellow, what is the probability of landing on blue?

Back

The probability of landing on blue is 1/4.

Front

What does it mean if an event is 'unlikely'?

Back

An event is 'unlikely' if its probability is less than 0.5.

Front

What does it mean if an event is 'likely'?

Back

An event is 'likely' if its probability is greater than 0.5.

Front

How do you calculate the probability of an event?

Back

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

Front

What is an example of a certain event?

Back

An example of a certain event is flipping a coin and getting either heads or tails.