Задача N5536 теория вероятностей доверительный интервал

5536. x̅=15.6, n=36, σ=6. Find the confidence interval for estimating with reliability γ=0.975 the unknown mathematical expectation a of the normally distributed feature X of the general population, if the sample mean x̅v=15.6, the general standard deviation σ=6 and the sample size n=36 are known.

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