Задача N5654 теория вероятностей доверительный интервал

5654. x̅=14.02, n=20, σ=6. 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=6, the sample mean in x̅v=14.02 and the sample size n=20

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)