Problem N5750 probability theory confidence interval
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- x̅=75.17, n=144, s=7.12 Find the confidence interval for estimating the mathematical expectation a of a normal distribution with reliability γ=0.95, knowing the sample mean x̅=75.17, sample size n=144 and sample standard deviation s=7.12.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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