Basic Probability

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What is the probability of an event?

Back

The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 (impossible) and 1 (certain).

Tags

CCSS.7.SP.C.5

Front

What is the Complement Rule in probability?

Back

The Complement Rule states that the probability of an event not occurring is equal to 1 minus the probability of the event occurring.

Tags

CCSS.HSS.CP.B.7

Front

How can probability be expressed?

Back

Probability can be expressed as a fraction, a decimal, or a percent.

Tags

CCSS.7.SP.C.5

Front

What is the range of values for probability?

Back

Probability can be expressed as a number between 0 and 1.

Tags

CCSS.7.SP.C.5

Front

If there is a 40% chance of rain, what is the chance it will not rain?

Back

60% chance it will not rain, according to the Complement Rule.

Front

What is the probability of rolling a sum of 15 with two six-sided dice?

Back

0, as the maximum sum with two six-sided dice is 12.

Tags

CCSS.7.SP.C.5

Front

What does a probability of 0 mean?

Back

A probability of 0 means that the event is impossible and will not occur.

Tags

CCSS.7.SP.C.5

Front

What does a probability of 1 mean?

Back

A probability of 1 means that the event is certain to 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 an event in probability?

Back

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