Probability Flashcard

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

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 the probability of an event?

Back

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

Front

What is the probability of rolling a 6 on a standard number cube?

Back

Front

What is the probability of not rolling a 6 on a standard number cube?

Back

Front

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

Back

Front

What is the total probability of all possible outcomes?

Back

The total probability of all possible outcomes in a probability experiment is always 1.

Front

What does it mean if an event is certain?

Back

An event is certain if its probability is 1, meaning it will definitely occur.

Front

What does it mean if an event is impossible?

Back

An event is impossible if its probability is 0, meaning it cannot occur.

Front

How do you express probability as a percentage?

Back

To express probability as a percentage, multiply the probability by 100.