Задача N5712 теория вероятностей объем выборки

5712. σ=2, δ=0.2, γ=0.95 Find the minimum sample size at which, with a reliability of 0.95, the accuracy of estimating the mathematical expectation of a normally distributed feature by the sample mean will be 0.2 if the standard deviation is equal to 2

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