Problem N5708 probability theory sample size
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- σ=129, δ=33.7, γ=0.878 Find the minimum sample size at which, with reliability γ=0.878, the accuracy of estimating the mathematical expectation a of the general population by the sample mean is δ=33.7, if the standard deviation σ is known =129 normally distributed population.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)