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

Back

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

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 0.

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 the probability of flipping a coin and getting heads?

Back

The probability is 1/2, since there are 2 possible outcomes: heads or tails.

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

The probability is 1/4, since there are 4 sections.

Front

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

Back

The probability is 1/6, since there are 6 possible outcomes.

Front

If you have 10 M&Ms of different colors, what is the probability of picking a red one if there are 2 red M&Ms?

Back

The probability is 2/10 or 1/5.

Front

What does it mean if an event is 'likely' to happen?

Back

It means that the probability of the event is greater than 0.5.

Front

What does it mean if an event is 'unlikely' to happen?

Back

It means that the probability of the event is less than 0.5.