5647. x̅=12.2, n=20, σ=2. Find the confidence interval for estimating with reliability γ=0.99 the unknown mathematical expectation m of a normally distributed feature Χ of the general population, if the general standard deviation is σ=2, the sample mean in x̅v=12.2 and the sample size n=20
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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