Kristina Karganova invites 17 relatives to a party: her mother, 4 aunts, 3 uncles, 4 brothers, 1 male cousin, and 4 female cousins. If the chances of any one guest arriving first are equally likely, find the probabilities that the first guest to arrive is as follows. (a) A brother or an uncle (b) A brother or a cousin (c) A brother or her mother H (a) Find the probability that the first guest to arrive is a brother or an uncle. (Type an integer or a simplified fraction.) (b) Find the probability that the first guest to arrive is a brother or a cousin.

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