Задача N5401 теория вероятностей доверительный интервал

5401. x̅=113.08, n=114, σ=0.6. Find confidence intervals for estimating the expectation a of a normal distribution with a reliability of 0.95, knowing the sample mean x̅=113.08, the sample size (number of observations) n=114, and the standard deviation σ=0.6.

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