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Probability Calculator

Number of Outcomes:
Event A Number:
Event B Number:
   
P(A):
P(B):
P(A∩B):
P(A∪B):
P(A|B):
P(B|A):
 

Probability calculator Formula:
   P(A) = NA / NT
   P(B) = NB / NT
   P(A∩B) = P(A) × P(B)
   P(A∪B) = P(A) + P(B) - P(A∩B)
   P(A|B) = P(A∩B) / P(B)
   P(B|A) = P(A∩B) / P(A)