Probability Calculator

Quickly solve probability problems. Find the likelihood of a single event or calculate the probability of two independent events occurring.

Probability of a Single Event

As a Fraction
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As a Decimal
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As a Percentage
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Probability of Two Independent Events

P(A and B)
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P(A or B)
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About the Probability Calculator

The Probability Calculator from TechnoCodex is a tool designed to help you solve common probability problems quickly and easily. Whether you’re a student learning about statistics, a gamer calculating odds, or just curious about the likelihood of an event, our calculator provides instant and accurate results.

How to Use the Calculator

This tool has two primary functions:

  1. Probability of a Single Event:
    This calculates the likelihood of one event happening. Simply enter the number of ways the event can occur (favorable outcomes) and the total number of possible outcomes. The tool will show the result as a fraction, decimal, and percentage.
  2. Probability of Two Independent Events:
    This is for calculating the probability of two separate events. Enter the probability of each event as a percentage to find the likelihood of both events happening (P A and B) and the likelihood of either of the events happening (P A or B).

Frequently Asked Questions (FAQs)

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

What are independent events?
Two events are independent if the outcome of one does not affect the outcome of the other. For example, flipping a coin twice are independent events.

Is this tool free to use?
Yes. This online Probability Calculator is 100% free and all calculations are performed directly in your browser.

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