Задача N5514 теория вероятностей доверительный интервал

5514. x̅=51, n=452, σ=25 Find the confidence interval for estimating the mathematical expectation of a normal distribution with a reliability of 0.960, knowing the sample mean 51, sample size 452, and standard deviation 25.

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