The finished solution. Reshebnik Arutyunov. Quest # 577.
571-580. Find the confidence interval for the estimate of the expectation and the normal distribution with the reliability of 0.95, knowing the sample mean x, the sample size n and the standard deviation σ.
577. x = 75,11, n = 144, σ = 12
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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