Probability Formulas:

  • Combination: C(n,r) = n! / (r! × (n-r)!)
  • Permutation: P(n,r) = n! / (n-r)!
  • Probability: P(A) = Desired Outcomes / Total Outcomes
  • Conditional Probability: P(A|B) = P(A∩B) / P(B)

Probability Calculations

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