Probability

Front

What is the probability of an event?

Back

The probability of an event, written P(event), measures the likelihood that the event will occur.

Front

What is a sample space?

Back

The sample space is a set of all possible outcomes for an event.

Front

What is a trial in probability?

Back

Each observation of an experiment is a trial.

Front

How do you calculate the probability of an event?

Back

Probability is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

If a bag has 2 blue, 3 red, and 5 yellow tiles, what is the total number of tiles?

Back

The total number of tiles is 10.

Front

What is the probability of picking a red tile from a bag with 2 blue, 3 red, and 5 yellow tiles?

Back

The probability of picking a red tile is 3/10.

Front

What is the probability of not picking a red tile from a bag with 2 blue, 3 red, and 5 yellow tiles?

Back

The probability of not picking a red tile is 7/10.

Front

What is the probability of picking a yellow tile from a bag with 2 blue, 3 red, and 5 yellow tiles?

Back

The probability of picking a yellow tile is 5/10 or 1/2.

Front

What does it mean if two events are complementary?

Back

Two events are complementary if the occurrence of one event means the other cannot occur.

Front

What is an outcome in probability?

Back

An outcome is a possible result of a probability experiment.