Probability and Likelihood

Front

What is probability?

Back

Probability is a number that describes the likelihood that an event will occur.

Front

What is the range of probability values?

Back

Probability values range from 0 to 1.

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

If a bag has 3 red marbles, 2 blue marbles, and 4 yellow marbles, what is the theoretical probability of pulling a red marble?

Back

The probability of pulling a red marble is 3/9 or simplified to 1/3.

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

What is a sample space in probability?

Back

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

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes from a sample space.

Front

How do you calculate the probability of a single event?

Back

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