Question

Given p(a) = 1/4,p(b) = 1/3,p(a and b) = 1/2 evaluate p(a/b), p(b/a)

Answer 1

p(a/b)=1/4/1/3=1/4*3/1=3/4
p(b/a)=1/3/1/4=1/3*4/1=4/3