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, or as a percentage.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign (%).

Front

What is the probability of an event that is certain to happen?

Back

The probability of an event that is certain to happen is 1 or 100%.

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 0.

Front

If a coin is flipped, what is the probability of getting heads?

Back

The probability of getting heads when flipping a fair coin is 1/2.

Front

What is experimental probability?

Back

Experimental probability is the probability determined by conducting an experiment and observing the outcomes.

Front

How do you calculate experimental probability?

Back

Experimental probability is calculated by dividing the number of times an event occurs by the total number of trials.

Front

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

Back

An event is 'equally likely' if it has the same chance of occurring as not occurring.

Front

What is the probability of rolling a 3 on a fair six-sided die?

Back

The probability of rolling a 3 on a fair six-sided die is 1/6.

Front

What is the total number of outcomes when flipping a coin?

Back

The total number of outcomes when flipping a coin is 2 (heads or tails).