The numbers 1, 2, .n are arranged randomly in a sequence. Find the probabilitythat the digits (a) 1 and 2, (b) 1,2, and 3 appear as neighbors (i.e. there are no othernumbers separating these digits) in the sequence.

To find the probability that the digits 1 and 2 appear as neighbors in a randomly arranged sequence…

Answered: The numbers 1, 2, . ..., n are arranged…

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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The numbers 1, 2, . ..., n are arranged randomly in a sequence. Find the probability that the digits (a) 1 and 2, (b) 1,2, and 3 appear as neighbors (i.e. there are no other numbers separating these digits) in the sequence.