Problem N5694 probability theory sample size
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- σ=7.3, δ=23.7, γ=0.935. Find the minimum sample size at which, with reliability γ=0.935, the accuracy of estimating the mathematical expectation a of the population based on the sample mean is δ=23.7, if the standard deviation σ=7.3 of a normally distributed population is known.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)