Задача N5660 теория вероятностей объем выборки

5660. σ = 1.6, δ = 0.2, γ = 0.975 Find the minimum sample size at which, with a reliability of 0.975, the accuracy of estimating the mathematical expectation a of the general population based on the sample mean is δ=0.2, if the standard deviation is σ=1.6.

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