Question

if A and B are independent and p(A)= 0.5,P(B)= 0.4 then P(A union B)​

Answer 1

Answer:

Since A and B are independent

P(A n B) = P(A) * P(B) = 0.5*0.4 = 0.2

P(A U B) = P(A) + P(B) - P(A n B)

= 0.5 + 0.4 - 0.2

= 0.7