Задача N5437 теория вероятностей доверительный интервал

5437. x̅=100, n=5, σ=10. Find the confidence interval for estimating with reliability γ=0.95 the unknown mathematical expectation a of a normally distributed feature X of the general population, if the general standard deviation σ=10, the sample mean x̅v=100 and the sample size n=5.

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