Predictions and 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 does it mean for an event to be certain?

Back

An event is certain if it has a probability of 1, meaning it will definitely happen.

Front

What does it mean for an event to be impossible?

Back

An event is impossible if it has a probability of 0, meaning it cannot happen.

Front

How do you calculate the probability of a single event?

Back

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

Front

What is a sample space?

Back

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

Front

What is a favorable outcome?

Back

A favorable outcome is an outcome that satisfies the conditions of the event we are interested in.

Front

If a bag contains 3 red balls and 2 blue balls, what is the probability of drawing a red ball?

Back

Probability = 3/5.

Front

What is the difference between independent and dependent events?

Back

Independent events do not affect each other's outcomes, while dependent events do.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

What is a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals, including 0, 1, 2, 3, etc.