Four hundred people apply for three jobs. 160 of the applicants are women. (A) If three persons are selected at random, what is the probability that all are women? (round the answer to six decimal places.) (B) If three persons are selected at random, what is the probability that two are women? (round the answer to six decimal places.) (C)If three persons are selected at random, what is the probability that one is a woman? (round the answer to six decimal places.) (D) If three persons are selected at random, what is the probability that none is a woman? (round the answer to six decimal places.)

Please show your work so that I can understand how you got the answer.