Question

If two events a and b are mutually exclusive, what does the special rule of addition state? p(a or
b.= p(a) + p(b) p(a and
b.= p(a) + p(b) p(a and/or
b.= p(a) + p(b) p(a or
b.= p(a) - p(b)

Answer 1

If A and B are two mutually exclusive events then addition theorem is given by,
P(A or B) = P(A) + P(B)