Question

9.P(A) + P(A) = 1 where A denotes
(a) Complementary event (b) Supplementary event
(c) Both (a) & (b) (d) None of these​

Answer 1

P(A) + P(A) = 1 where A denotes

(a) Complementary event

(b) Supplementary event

(c) Both (a) & (b)

d) None of these​