It is desired to estimate the mean number ofhours of continuous use until a certain computerwill first require repairs. If it can be assumedthat o = 48 hours, how large a sample beneeded so that one will be able to assert with90% confidence that the sample mean is off byat most 10 hours?

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Answered: that o = 48 hours, how large a sample…

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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that o = 48 hours, how large a sample be needed so that one will be able to assert with 90% confidence that the sample mean is off by at most 10 hours?