Simple Probability

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.

Tags

CCSS.7.SP.C.5

Front

What is the formula for calculating probability?

Back

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

Tags

CCSS.7.SP.C.7A

Front

What is a theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario.

Front

What is an example of a simple probability event?

Back

Flipping a coin and getting heads.

Front

If a bag contains 4 red and 6 blue marbles, what is the probability of picking a red marble?

Back

Probability = 4/(4+6) = 4/10 = 2/5.

Tags

CCSS.7.SP.C.7B

Front

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

Back

It means the event is impossible and will not occur.

Tags

CCSS.7.SP.C.5

Front

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

Back

It means the event is certain to occur.

Tags

CCSS.7.SP.C.5

Front

In a standard deck of cards, what is the probability of drawing an Ace?

Back

Probability = 4/52 = 1/13.

Tags

CCSS.7.SP.C.7B

Front

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

Back

Probability = 1/6.

Tags

CCSS.7.SP.C.7A

Front

If you have a spinner divided into 4 equal parts (red, blue, green, yellow), what is the probability of landing on green?

Back

Probability = 1/4.

Tags

CCSS.7.SP.C.7A