Problem N5704 probability theory sample size
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- σ=110, δ=31.2, γ=0.823 Find the minimum sample size at which, with reliability γ=0.823, the accuracy of estimating the mathematical expectation a of the general population by the sample mean is δ=31.2, if the standard deviation σ is known =110 normally distributed population.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)