A large company has 50,000 employees. 40% of the employees are women, 60% of the employees are married, and of those married, 15% are women. (a) An employee is randomly selected and is a woman, what is probability that she is married? (b) Assuming that the marital status of employees is either classified as single or married only. An employee is randomly selected, what is probability that the employee is a single woman?