Question

1. Suponha P(A) = 1/3 e P(B) = 1/2. Se A e B são mutuamente excludentes, determine P(AUB):
A) 1/6
B) 1/3
C) 1/2
D) 3/4
E) 5/6
Responder letra (E)​

Answer 1

Resposta:

A e B são mutuamente excludentes

P(A∪B) = P(A) + P(B) = 1/3+1/2 = 2/6+3/6 = 5/6

Item E