If a normal population is known to have equal to 10, how large a sample should
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If a normal population is known to have σ equal to 10, how large a sample should we take in order to be 90 % confident that the sample mean will not differ from the population mean by more than ±.75 units?
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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