12.11 Probability Practice

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 outcomes)

Tags

CCSS.7.SP.C.7A

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 and will definitely occur.

Tags

CCSS.7.SP.C.5

Front

What is a sample space in probability?

Back

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

Front

What is a favorable outcome?

Back

A favorable outcome is an outcome that satisfies the conditions of the event we are interested in.

Front

How do you find the probability of independent events?

Back

For independent events, the probability of both events occurring is the product of their individual probabilities.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

What is the probability of drawing a red card from a standard deck of cards?

Back

The probability is 26/52 or 1/2, since there are 26 red cards in a deck.

Tags

CCSS.7.SP.C.7B

Front

If a student wears pants, what is the probability they are also wearing sandals?

Back

The probability is 2/7, based on the given data.

Tags

CCSS.HSS.CP.A.4