Problem N5519 probability theory confidence interval
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- x̅=50.10, n=225, σ=8 Find the confidence interval for estimating the expectation a of a normal distribution with reliability γ=0.95, knowing the sample mean x̅=50.10, the sample size n=225, and the general mean square deviation σ=8.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)