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# A mobile computer network consists of a number of computers (called nodes) that

ISBN: 9780073401331 38

## Solution for problem 9 Chapter 5.5

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition

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Problem 9

A mobile computer network consists of a number of computers (called nodes) that communicate with each other while moving throughout a region. A node that is out of transmission range of the other nodes, so that it is unable to communicate, is said to be partitioned. In studies carried out at the Colorado School of Mines, S. Kurkowski found that in a network containing 185 nodes in which destinations were chosen at random from a uniform distribution, 19 nodes were partitioned. J. Norman found that in a network containing 164 nodes whose movements mimicked those on a college campus, 30 nodes were partitioned. Find a 99% confidence interval for the difference between the proportions of partitioned nodes in the two networks.

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MSIT Unit 11 – Confidence Intervals & Hypothesis Tests for Means Sampling Distribution of the sample mean ȳ: a distribution that has a shape, center & spread  We use this distribution to determine probabilities for possible values of ȳ 3 Different Distributions: Population Distribution – the distribution of dice rolls in uniform (amodal +...

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