A local trade union consists of plumbers and electricians.Classified according t

A local trade union consists of plumbers and electricians.Classified according to rank:Apprentice Journeyman Master TotalPlumbers 25 20 30 75Electricians 15 40 20 7540 60 50A member of the union is selected at random. Given that the personselected is an electrician what is the probability that the personis a master?A. .053B. .133C. .500D. .267