Probability Calculator
Calculate the likelihood of single or multiple events with our Probability Calculator. Input your values to determine the probability of various outcomes, whether for independent or dependent events. Ideal for students, statisticians, and anyone needing to analyze probabilities in real-time. Get instant results and insights into complex probability scenarios, including binomial and conditional probabilities.
Probability Results
What is Probability?
Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 (impossible) and 1 (certain), or as a percentage between 0% and 100%.
How Are Probabilities Calculated?
Different types of probability calculations:1. Simple Probability = Favorable Outcomes ÷ Total Possible Outcomes2. Compound Probability (Independent) = P(A) × P(B)3. Complement Probability = 1 - P(A)
Common Applications
Statistics
Analyzing data and making predictions
Games
Calculating odds in games of chance
Risk Analysis
Evaluating business and project risks
Science
Predicting experimental outcomes
Tips for Probability Calculations
- Always express probabilities as decimals between 0 and 1
- For independent events, multiply individual probabilities
- Use complement probability for "not happening" scenarios
- Consider whether events are dependent or independent