Problem N5448 probability theory confidence interval
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- x̅=57.3, n=122, σ=5.5. Find the confidence interval for estimating with reliability γ=0.99 the unknown mathematical expectation a of a normally distributed feature X of the general population, if the general standard deviation σ=5.5, sample mean x̅=57.3, sample size n=122.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)