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Calculate probabilities for single events, multiple events, and conditional probability. Get instant results with step-by-step solutions, odds, and percentages.
📌 Single Event Probability
Calculate: P(Event) = Favorable Outcomes / Total Outcomes
Number of ways the event can occur
Total number of possible outcomes
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Select the type of probability you want to calculate: Single Event for basic probability, Multiple Events for AND/OR operations, or Conditional for P(A|B) calculations.
Input the required values based on your calculator type. For single events, enter favorable and total outcomes. For multiple events, enter individual probabilities. For conditional, enter P(A), P(B), and P(A AND B).
Click on any quick example button to automatically fill in values for common scenarios like dice rolls, coin flips, or card draws. This helps you learn and verify your understanding.
Click "Calculate Probability" to see your results. Review the probability in decimal, percentage, odds, and complement formats. Read the step-by-step explanation to understand the calculation process.
Use the interpretation section to understand what your probability means in practical terms. The calculator provides context about whether the event is likely or unlikely to occur.