Basic 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 a probability of 0 mean?

Back

A probability of 0 means that the event cannot happen.

Front

What does a probability of 1 mean?

Back

A probability of 1 means that the event is certain to happen.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of spinning a color that is not present?

Back

The probability is 0.

Front

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

Back

1/4.

Front

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

Back

1/2.

Front

If you flip a coin three times, what is the probability of getting all tails?

Back

1/8.

Front

In a bag with 5 green, 6 yellow, 8 blue, and 7 brown M&Ms, what is the probability of choosing a blue M&M?

Back

4/13.

Front

What is a sample space in probability?

Back

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