Question -
Answer -
P(A ∪ B) = P(A) + PB) – P(A ∩ B)
=
– 
=
(ii) P(A ∪ B) = P(A) + P(B) – P(A ∩ B)
0.6 = 0.35 + P(B) – 0.25
P(B) = 0.6 – 0.35 + 0.25 = 0.5.
(iii) P (A ∪ B) = P(A) + P(B) – P(A ∩ B)
0.7 = 0.5 + 0.35 – P(A ∩ B)
P(A ∩ B) = 0.5 + 0.35 – 0.7 = 0.15.