Задача N5402 теория вероятностей доверительный интервал

5402. x̅=114.20, n=196, σ=0.7. Find confidence intervals for estimating the mathematical expectation a of a normal distribution with a reliability of 0.95, knowing the sample mean x̅=114.20, the sample size (number of observations) n=196, and the standard deviation σ=0.7.

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