Probability Calculator

Calculate basic probability rules: AND, OR, and complement.

Enter probabilities as decimals (0.5) or percentages (50).

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How to Use

  1. Enter P(A) and P(B) as decimals (0–1) or percentages.
  2. Choose independent events.
  3. View combined probabilities.

About Probability Calculator

Solve introductory probability problems for statistics and games.

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