Problem N5535 probability theory confidence interval
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- x̅=25.4, n=64, σ=8. Find the confidence interval for estimating with reliability γ=0.925 the unknown mathematical expectation a of the normally distributed feature X of the general population, if the sample mean x̅в=25.4 is known, the general standard deviation σ=8 and the sample size n=64
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)