5676. σ=2.1, δ=0.2, γ=0.975 Find the minimum sample size at which, with reliability γ=0.975, the accuracy of estimating the mathematical expectation of a normally distributed general population based on the sample mean is δ=0.2, if the mean is known the standard deviation σ=2.1 of a normally distributed population.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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