Kristina Karganova invites 15 relatives to a party: her mother, 3 aunts, 3 uncles, 4 brothers, 1 male cousin, and 3 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 ... (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. 0 (Type an integer or a simplified fraction.) (c) Find the probability that the first guest to arrive is a brother or her mother. (Type an integer or a simplified fraction.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Kristina Karganova invites 15 relatives to a party: her mother, 3 aunts, 3 uncles, 4 brothers, 1 male cousin, and 3
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
(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.
7
(Type an integer or a simplified fraction.)
(c) Find the probability that the first guest to arrive is a brother or her mother.
(Type an integer or a simplified fraction.)
Transcribed Image Text:Kristina Karganova invites 15 relatives to a party: her mother, 3 aunts, 3 uncles, 4 brothers, 1 male cousin, and 3 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 (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. 7 (Type an integer or a simplified fraction.) (c) Find the probability that the first guest to arrive is a brother or her mother. (Type an integer or a simplified fraction.)
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