3. Five people, including you and a friend, line up in a random order. Let X count thenumber of people in the line standing in between you and your friend.(a) Find the pmf px(x) by constructing a neat, organized table of values. Expressyour answers as fractions in lowest terms. (Note that a waiting line is ordered.Permutations are needed here.)(b) Find Var (X). Express your answer as a decimal.

Given information: Five people, including you and a friend, line up in a random order. Let X be the…

Answered: 3. Five people, including you and a…

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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