What is the probability of these events when we randomly select a permutation of {1, 2, 3,

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What is the probability of these events when we randomly select a permutation of {1, 2, 3, 4}?
a) 1 precedes 4.
b) 4 precedes 1.
c) 4 precedes 1 and 4 precedes 2.
d) 4 precedes 1, 4 precedes 2, and 4 precedes 3.
e) 4 precedes 3 and 2 precedes 1.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 03, 2016 01:45 AM

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What is the probability of these events when we randomly select a permutation of {1, 2, 3,

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We exploit symmetry in answering many of these a Since 1 has either to precede 4 or to follow it and ...View the full answer

Discrete Mathematics and Its Applications

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