Question

7. If P (A) = a, P (B) = b and P (P (An B) = c then pA'and B.'
dis
(a) 1 - a - b - c
(c) 1 + a - b -​

Answer 1

Answer:

P(A' and B') = 1 - P(A U B)

= 1 - [P(A) + P(B) - P(A and B)]

= 1 - a - b + c