Problem N5702 probability theory sample size
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- σ=154, δ=26.3, γ=0.921 Find the minimum sample size at which, with reliability γ=0.921, the accuracy of estimating the mathematical expectation a of the general population by the sample mean is δ=26.3, if the standard deviation σ is known =154 normally distributed population.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)