Simple Probability Flashcard

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 flipping a coin and it landing on heads?

Back

Front

If you have a bag with 2 red balls and 3 blue balls, what is the probability of picking a red ball?

Back

Front

If there are 8 blue, 7 red, and 5 green marbles in a bag, what is the probability of picking a red marble?

Back

Front

If you have a jar with 10 cookies, 3 of which are chocolate chip, what is the probability of randomly picking a chocolate chip cookie?

Back

Front

What is the probability of rolling a 5 on a standard six-sided die?

Back

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes of a random experiment.

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain and will definitely occur.

Front

How do you calculate the probability of an event?

Back

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