Probability Calculator
Calculate probability of events, unions, intersections, and conditional probabilities. Perfect for statistics and data analysis.
Probability Rules
• P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
• P(A') = 1 - P(A)
• P(A|B) = P(A ∩ B) / P(B)
Calculations
P(A ∪ B):0.600
P(A'):0.700
P(B'):0.600
P(A|B):0.250
Validation
✓ Valid probability values
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