Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category.
Job Male (M) Female (F)
Administrative (AD) 110 10
Salaried staff (SS) 30 50
Hourly staff (HS) 60 40
If an employee is selected at random, what is the probability that the employee is female given that the employee is a salaried staff member.