Problem N5520 probability theory confidence interval
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- x̅=74.55, n=46, σ=13 Find the confidence interval for estimating the expectation a of a normal distribution with reliability γ=0.95, knowing the sample mean x̅=74.55, sample size n=46 and root mean square deviation σ=13.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)