Задача N5641 теория вероятностей доверительный интервал

5641. x̅=30.01, n=100, σ=4. Find the confidence interval for estimating with reliability γ=0.95 the unknown mathematical expectation m of a normally distributed feature Χ of the general population, if the general standard deviation is σ=4, the sample mean in x̅v=30.01 and the sample size is n=100

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