Problem N5749 probability theory confidence interval
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- x̅=75.14, n=81, s=6.24 Find the confidence interval for estimating the mathematical expectation a of a normal distribution with reliability γ=0.95, knowing the sample mean x̅=75.14, sample size n=81 and sample standard deviation s=6.24.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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