Online Tool Store
Calculadora Probabilidade
Calcule a probabilidade de dois eventos ocorrerem juntos ou separados.
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Math and statistics
Probability Calculator
Single event
Enter favorable outcomes out of all equally likely outcomes.
Probability
Decimal
Odds
Two events
- Not A
- Not B
- Both A and B
- A or B (or both)
- Exactly one
- Neither
Repeated independent tries
Find the chance of at least one success, no success, every success, or exactly `k` successes.
At least once
Never
Every try
Exactly k
How Calculadora Probabilidade works
- Open Calculadora Probabilidade and review the example state before entering your own values.
- Enter or select the information needed for Calculadora Probabilidade.
- Review the result and adjust the inputs if you want to compare another case.
Calculate a single event from favorable and total outcomes, combine independent or mutually exclusive events, and find repeated-trial chances including exactly k successes. Runs entirely in your browser. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Calculadora Probabilidade used for?
Calculate a single event from favorable and total outcomes, combine independent or mutually exclusive events, and find repeated-trial chances including exactly k successes. Runs entirely in your browser.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Calculadora Probabilidade. Use the result as a planning aid and verify important decisions independently.