Problem N5552 probability theory confidence interval
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- x̅=82.09, n=121, σ=11. Sample mean x̅v=82.09, sample size n=121 and standard deviation σ=11 are given. Find the confidence interval for estimating the expectation a of a normal distribution with reliability γ=0.95.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)