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Three hundred people apply for three jobs. 100 of the applicants are women.

(a) If three persons are selected at random, what is the probability that all are women?

(b) If three persons are selected at random, what is the probability that two are women?

(c) If three persons are selected at random, what is the probability that one is a woman?

(d) If three persons are selected at random, what is the probability that none is a woman?

 

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