Probability

Front

What is Probability?

Back

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

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What is an Outcome in Probability?

Back

An outcome is the result of a single trial of an experiment.

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What is an Event in Probability?

Back

An event is a set of outcomes to which a probability is assigned.

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How do you calculate the Probability of an Event?

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

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What is a Sample Space?

Back

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

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

Back

It means the event is impossible and will not occur.

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

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It means the event is certain and will definitely occur.

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How do you express probability as a fraction?

Back

Probability can be expressed as a fraction of the number of favorable outcomes over the total number of outcomes.

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What is a Spinner in Probability?

Back

A spinner is a tool used in probability experiments that can land on different outcomes when spun.

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How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign.