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Probability of Event Formula

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Probability of Event is the likelihood that the event will occur. Check FAQs

P Event = \frac{n Favorable}{n Total}

P_Event - Probability of Event?n_Favorable - Number of Favorable Outcomes?n_Total - Total Number of Outcomes?

Probability of Event Example

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Here is how the Probability of Event equation looks like with Values.

Here is how the Probability of Event equation looks like with Units.

Here is how the Probability of Event equation looks like.

0.3 = \frac{3}{10}

0.3 = \frac{3}{10}

0.3 = \frac{3}{10}

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Probability of Event Solution

Follow our step by step solution on how to calculate Probability of Event?

FIRST Step Consider the formula

P Event = \frac{n Favorable}{n Total}

Next Step Substitute values of Variables

∴

P Event = \frac{3}{10}

Next Step Prepare to Evaluate

∴

P Event = \frac{3}{10}

LAST Step Evaluate

∴

P Event = 0.3

Probability of Event Formula Elements

Variables

Probability of Event

Probability of Event is the likelihood that the event will occur.

Symbol: P_Event

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Probability of Event

Number of Favorable Outcomes

Number of Favorable Outcomes is the total number of outcomes which are favorable for the successful completion of a particular event under given circumstances.

Symbol: n_Favorable

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Favorable Outcomes

Total Number of Outcomes

Total Number of Outcomes is the total number of all the possible outcomes in a random experiment.

Symbol: n_Total

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Total Number of Outcomes

Other formulas in Important Formulas of Probability category

Go Empirical Probability

P Empirical = \frac{n Event Occurs}{n Total Trials}

Go Odds against

O A = \frac{n L}{n W}

Go Odds in Favor

O F = \frac{n W}{n L}

Go Probability of Failure

q = \frac{n L}{n W + n L}

How to Evaluate Probability of Event?

Probability of Event evaluator uses Probability of Event = Number of Favorable Outcomes/Total Number of Outcomes to evaluate the Probability of Event, Probability of Event formula is defined as the likelihood that the event will occur. Probability of Event is denoted by P_Event symbol.

How to evaluate Probability of Event using this online evaluator? To use this online evaluator for Probability of Event, enter Number of Favorable Outcomes (n_Favorable) & Total Number of Outcomes (n_Total) and hit the calculate button.

FAQs on Probability of Event

What is the formula to find Probability of Event?

The formula of Probability of Event is expressed as Probability of Event = Number of Favorable Outcomes/Total Number of Outcomes. Here is an example- 0.3 = 3/10.

How to calculate Probability of Event?

With Number of Favorable Outcomes (n_Favorable) & Total Number of Outcomes (n_Total) we can find Probability of Event using the formula - Probability of Event = Number of Favorable Outcomes/Total Number of Outcomes.

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Probability of Event Formula

Probability of Event Example

Probability of Event Solution

Probability of Event Formula Elements

Other formulas in Important Formulas of Probability category

How to Evaluate Probability of Event?

FAQs on Probability of Event

Variable Name