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Probability of Atleast Two Events Occurring Calculator

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Probability of Three Events Important Formulas of Probability Odds Probability Probability of Two Events

✖Probability of Event A is the likelihood that event A happens.ⓘ Probability of Event A [P_(A)]			+10% -10%
✖Probability of Event B is the likelihood that event B happens.ⓘ Probability of Event B [P_(B)]			+10% -10%
✖Probability of Non-Occurrence of Event A is the likelihood that event A does not happen or the probability of the complement of event A occurring.ⓘ Probability of Non-Occurrence of Event A [P_(A')]			+10% -10%
✖Probability of Event C is the likelihood that event C happens.ⓘ Probability of Event C [P_(C)]			+10% -10%
✖Probability of Non-Occurrence of Event B is the likelihood that event B does not happen or the probability of the complement of event B occurring.ⓘ Probability of Non-Occurrence of Event B [P_(B')]			+10% -10%

✖Probability of Occurrence of Atleast Two Events is the likelihood that any two or more of these events will happen.ⓘ Probability of Atleast Two Events Occurring [P_{(Atleast Two)}]

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Probability of Atleast Two Events Occurring Solution

STEP 0: Pre-Calculation Summary

Formula Used

Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C)
P_{(Atleast Two)} = (P_(A)*P_(B))+(P_(A')*P_(B)*P_(C))+(P_(A)*P_(B')*P_(C))
This formula uses 6 Variables

Variables Used

Probability of Occurrence of Atleast Two Events - Probability of Occurrence of Atleast Two Events is the likelihood that any two or more of these events will happen.
Probability of Event A - Probability of Event A is the likelihood that event A happens.
Probability of Event B - Probability of Event B is the likelihood that event B happens.
Probability of Non-Occurrence of Event A - Probability of Non-Occurrence of Event A is the likelihood that event A does not happen or the probability of the complement of event A occurring.
Probability of Event C - Probability of Event C is the likelihood that event C happens.
Probability of Non-Occurrence of Event B - Probability of Non-Occurrence of Event B is the likelihood that event B does not happen or the probability of the complement of event B occurring.

STEP 1: Convert Input(s) to Base Unit

Probability of Event A: 0.5 --> No Conversion Required
Probability of Event B: 0.2 --> No Conversion Required
Probability of Non-Occurrence of Event A: 0.5 --> No Conversion Required
Probability of Event C: 0.8 --> No Conversion Required
Probability of Non-Occurrence of Event B: 0.8 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_{(Atleast Two)} = (P_(A)*P_(B))+(P_(A')*P_(B)*P_(C))+(P_(A)*P_(B')*P_(C)) --> (0.5*0.2)+(0.5*0.2*0.8)+(0.5*0.8*0.8)

Evaluating ... ...

P_{(Atleast Two)} = 0.5

STEP 3: Convert Result to Output's Unit

0.5 --> No Conversion Required

FINAL ANSWER

0.5 <-- Probability of Occurrence of Atleast Two Events

(Calculation completed in 00.004 seconds)

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Indian Institute of Technology, Indian School of Mines, DHANBAD (IIT ISM), Dhanbad, Jharkhand

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< Probability of Three Events Calculators

Probability of None of Events Occurring

LaTeX Go Probability of Non Occurrence of Any Event = 1-(Probability of Event A+Probability of Event B+Probability of Event C-(Probability of Event A*Probability of Event B)-(Probability of Event B*Probability of Event C)-(Probability of Event C*Probability of Event A)+(Probability of Event A*Probability of Event B*Probability of Event C))

Probability of Exactly One Event Occurring

LaTeX Go Probability of Occurrence of Exactly One Event = (Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Non-Occurrence of Event C)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Non-Occurrence of Event C)+(Probability of Non-Occurrence of Event A*Probability of Non-Occurrence of Event B*Probability of Event C)

Probability of Exactly Two Events Occurring

LaTeX Go Probability of Occurrence of Exactly Two Events = (Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C)+(Probability of Event A*Probability of Event B*Probability of Non-Occurrence of Event C)

Probability of Atleast Two Events Occurring

LaTeX Go Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C)

< Probability of Two or More Events Calculators

Probability of Exactly One Event Occurring

Probability of Atleast One Event Occurring

LaTeX Go Probability of Occurrence of Atleast One Event = Probability of Event A+Probability of Event B+Probability of Event C-Probability of Occurrence of Event A and Event B-Probability of Occurrence of Event B and Event C-Probability of Occurrence of Event A and Event C+Probability of Occurrence of All Three Events

Probability of Atleast Two Events Occurring

Probability of All Independent Events Occurring

LaTeX Go Probability of Occurrence of All Three Events = Probability of Event A*Probability of Event B*Probability of Event C

Probability of Atleast Two Events Occurring Formula

LaTeX Go

What is Probability?

In Mathematics, Probability theory is the study of chances. In real life, we predict chances depending on the situation. But Probability theory is bringing a mathematical foundation for the concept of Probability. For example, if a box contain 10 balls which include 7 black balls and 3 red balls and randomly chosen one ball. Then the Probability of getting red ball is 3/10 and Probability of getting black ball is 7/10. When coming to statistics, Probability is like the back bone of statistics. It has a wide application in decision making, data science, business trend studies, etc.

How to Calculate Probability of Atleast Two Events Occurring?

Probability of Atleast Two Events Occurring calculator uses Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C) to calculate the Probability of Occurrence of Atleast Two Events, The Probability of Atleast Two Events Occurring formula is defined as the likelihood that at least two of the events A, B, or C occurs which means any two or more of these events will happen, considering that they are mutually inclusive events, i.e. the events can happen at the same time. Probability of Occurrence of Atleast Two Events is denoted by P_{(Atleast Two)} symbol.

How to calculate Probability of Atleast Two Events Occurring using this online calculator? To use this online calculator for Probability of Atleast Two Events Occurring, enter Probability of Event A (P_(A)), Probability of Event B (P_(B)), Probability of Non-Occurrence of Event A (P_(A')), Probability of Event C (P_(C)) & Probability of Non-Occurrence of Event B (P_(B')) and hit the calculate button. Here is how the Probability of Atleast Two Events Occurring calculation can be explained with given input values -> 0.36 = (0.5*0.2)+(0.5*0.2*0.8)+(0.5*0.8*0.8).

FAQ

What is Probability of Atleast Two Events Occurring?

The Probability of Atleast Two Events Occurring formula is defined as the likelihood that at least two of the events A, B, or C occurs which means any two or more of these events will happen, considering that they are mutually inclusive events, i.e. the events can happen at the same time and is represented as P_{(Atleast Two)} = (P_(A)*P_(B))+(P_(A')*P_(B)*P_(C))+(P_(A)*P_(B')*P_(C)) or Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C). Probability of Event A is the likelihood that event A happens, Probability of Event B is the likelihood that event B happens, Probability of Non-Occurrence of Event A is the likelihood that event A does not happen or the probability of the complement of event A occurring, Probability of Event C is the likelihood that event C happens & Probability of Non-Occurrence of Event B is the likelihood that event B does not happen or the probability of the complement of event B occurring.

How to calculate Probability of Atleast Two Events Occurring?

The Probability of Atleast Two Events Occurring formula is defined as the likelihood that at least two of the events A, B, or C occurs which means any two or more of these events will happen, considering that they are mutually inclusive events, i.e. the events can happen at the same time is calculated using Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+(Probability of Non-Occurrence of Event A*Probability of Event B*Probability of Event C)+(Probability of Event A*Probability of Non-Occurrence of Event B*Probability of Event C). To calculate Probability of Atleast Two Events Occurring, you need Probability of Event A (P_(A)), Probability of Event B (P_(B)), Probability of Non-Occurrence of Event A (P_(A')), Probability of Event C (P_(C)) & Probability of Non-Occurrence of Event B (P_(B')). With our tool, you need to enter the respective value for Probability of Event A, Probability of Event B, Probability of Non-Occurrence of Event A, Probability of Event C & Probability of Non-Occurrence of Event B and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Probability of Occurrence of Atleast Two Events?

In this formula, Probability of Occurrence of Atleast Two Events uses Probability of Event A, Probability of Event B, Probability of Non-Occurrence of Event A, Probability of Event C & Probability of Non-Occurrence of Event B. We can use 1 other way(s) to calculate the same, which is/are as follows -

Probability of Occurrence of Atleast Two Events = (Probability of Event A*Probability of Event B)+((1-Probability of Event A)*Probability of Event B*Probability of Event C)+(Probability of Event A*(1-Probability of Event B)*Probability of Event C)

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