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My calculator

probas.py

Created by thibaut-lyon

Created on February 25, 2021

275 Bytes

Proba conditionnelle:
    P{A}(B)=P(A"∩"B)/P(A)
    P(A"∩"B)=P(A)*P{A}(B)
          =P(B)*P{B}(A)
    P(B)=P(B∩A)+P(B"∩"AÌ…)
<=> P(B)=P(A)*P{A}(B)+P(AÌ…)*P{AÌ…}(B)
independance:
A & B independants quand P(A"∩"B)=P(A)*P(B)
<=> P(A)=P{B}(A)<=>P(B)=P{A}(B)

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