Problem N5528 probability theory confidence interval
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- x̅=85.08, n=196, σ=13. Find confidence intervals for estimating the mathematical expectation, normal distribution with a reliability of 0.95; knowing the sample mean x̅=85.08, the sample size n=196 and the standard deviation σ=13.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)