Respuesta :

Answer:

D

0.4

Step-by-step explanation:

P(A)=0.6

P(B)=0.3

P(B∩A)=0.5

P(A∪B)=P(A)+P(B)-P(A∩B)

P(A or B)=P(A∪B)=0.6+0.3-0.5=0.9-0.5=0.4