Question: Let A and B be two dependent events. Suppose that P(A) = 0.3, P(B) = x, \(1-P\left( \overline{AB} \right)=\frac{1}{10}\) and \(\Pr \left( A\cup B \right)=\frac{4}{5}\), then find:

i) \(\Pr \left( B|A \right)\)

ii) x