Problem N5632 probability theory confidence interval
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- x̅=75.1, n=144, σ=12. Find the confidence interval for estimating with reliability γ=0.95 the unknown mathematical expectation m of a normally distributed feature Χ of the general population, if the general standard deviation is σ=12, the sample mean in x̅v=75.1 and the sample size is n=144
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)