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# Suppose users share a 3 Mbps link. Also suppose each user requires150 kbps when

ISBN: 9780132856201 374

## Solution for problem P8 Chapter 1

Computer Networking: A Top-Down Approach | 6th Edition

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Computer Networking: A Top-Down Approach | 6th Edition

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Problem P8

Suppose users share a 3 Mbps link. Also suppose each user requires150 kbps when transmitting, but each user transmits only 10 percent of thetime. (See the discussion of packet switching versus circuit switching inSection 1.3.)a. When circuit switching is used, how many users can be supported?b. For the remainder of this problem, suppose packet switching is used. Findthe probability that a given user is transmitting.c. Suppose there are 120 users. Find the probability that at any given time,exactly n users are transmitting simultaneously. (Hint: Use the binomialdistribution.)d. Find the probability that there are 21 or more users transmittingsimultaneously.

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##### ISBN: 9780132856201

This full solution covers the following key subjects: . This expansive textbook survival guide covers 9 chapters, and 500 solutions. Since the solution to P8 from 1 chapter was answered, more than 305 students have viewed the full step-by-step answer. Computer Networking: A Top-Down Approach was written by and is associated to the ISBN: 9780132856201. The full step-by-step solution to problem: P8 from chapter: 1 was answered by , our top Engineering and Tech solution expert on 03/12/18, 06:17PM. This textbook survival guide was created for the textbook: Computer Networking: A Top-Down Approach, edition: 6. The answer to “Suppose users share a 3 Mbps link. Also suppose each user requires150 kbps when transmitting, but each user transmits only 10 percent of thetime. (See the discussion of packet switching versus circuit switching inSection 1.3.)a. When circuit switching is used, how many users can be supported?b. For the remainder of this problem, suppose packet switching is used. Findthe probability that a given user is transmitting.c. Suppose there are 120 users. Find the probability that at any given time,exactly n users are transmitting simultaneously. (Hint: Use the binomialdistribution.)d. Find the probability that there are 21 or more users transmittingsimultaneously.” is broken down into a number of easy to follow steps, and 98 words.

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