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Name: A programmer plans to develop a new software system. In planning for t
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Description: A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 95% con

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 95% confident that his estimate is in error by no more than one percentage point? Complete parts (a) through (c) below.

a) Assume that nothing is known about the percentage of computers with new operating systems.

b) Assume that a recent survey suggests that about88%of computers use a new operating system.

c) Does the additional survey information from part (b) have much of an effect on the sample size that is required?

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