Решебник Арутюнова Ю.С. Задание N577 Высшая математика

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)