Respuesta :

Okay, here we have this:

Considering that P(AUB)=P(A)+P(B)-P(AintersectionB), we obtain that:

P(B)=P(AUB)-P(A)+P(AnB)

P(B)=(13/24)-(1/4)+(1/12)

P(B)=3/8

Finally we obtain that P(B) is equal to 3/8.

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