Probability

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What is probability?

Back

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

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of a single event?

Back

The probability of a single event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

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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.

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 0.

Tags

CCSS.7.SP.C.5

Front

What does it mean when two events are mutually exclusive?

Back

Two events are mutually exclusive if they cannot occur at the same time.

Front

How do you calculate the probability of two mutually exclusive events?

Back

The probability of two mutually exclusive events is the sum of their individual probabilities.

Tags

CCSS.HSS.CP.B.7

Front

What is the formula for calculating the probability of the union of two events?

Back

The probability of the union of two events A and B is given by P(A or B) = P(A) + P(B) - P(A and B).

Tags

CCSS.HSS.CP.B.7

Front

What is a spinner in probability?

Back

A spinner is a circular device divided into sections, each representing a different outcome, used to demonstrate probability.

Front

How do you predict outcomes based on probability?

Back

To predict outcomes based on probability, multiply the probability of an event by the total number of trials.

Tags

CCSS.7.SP.C.6

Front

What is the probability of rolling a specific number on a fair six-sided die?

Back

The probability of rolling a specific number on a fair six-sided die is 1/6.

Tags

CCSS.7.SP.C.7A