4. You plan to develop a new software system that you believe will surpass the success of Google and Facebook combined. In planning for the operating system that you will use, you need to estimate the percentage of computers that use Windows. How many computers must be surveyed in order to be 99% confident that your estimate is in error by no more than one percentage point? (a) Assume that nothing is known about the percentage of computers with Windows operating systems. (b) Assume that a recent survey suggests that about 90% of computers use Windows operating systems (based on data from Net Applications). (c) Does the additional survey information from part (b) have much of an effect on the sample size that is required? to produce a mean of 120 bars of soap per

4. You plan to develop a new software system that you believe will surpass the success of Google and Facebook combined. In planning for the operating system that you will use, you need to estimate the percentage of computers that use Windows. How many computers must be surveyed in order to be 99% confident that your estimate is in error by no more than one percentage point? (a) Assume that nothing is known about the percentage of computers with Windows operating systems. (b) Assume that a recent survey suggests that about 90% of computers use Windows operating systems (based on data from Net Applications). (c) Does the additional survey information from part (b) have much of an effect on the sample size that is required? to produce a mean of 120 bars of soap per

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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