Problem N5711 probability theory sample size
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- σ=9, δ=2, γ=0.901. Find the minimum sample size at which, with reliability γ=0.901, the accuracy of estimating the mathematical expectation a of the general population by the sample mean is δ=2, if the standard deviation σ=9 of a normally distributed general population is known
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)