Probability Calculator
Calculate probabilities for various scenarios.
Basic Probability
P(A) = Favorable Outcomes / Total Outcomes
Probability
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🎲 Dice Probability
Probability of sum = 7
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🪙 Coin Flip
Probability of exactly 2
heads in 3 flips
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Probability Rules
P(A ∪ B)
= P(A) + P(B) - P(A ∩ B) — Addition Rule
P(A ∩ B)
= P(A) × P(B) — Multiplication Rule (independent)
P(A')
= 1 - P(A) — Complement Rule