Problem N5530 probability theory confidence interval
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- x̅=74.9, n=81, σ=14. Find the confidence interval for the expectation m of the normal distribution of the general population with a reliability of 0.95, knowing the sample mean x̅=74.9, the sample size n=81 and the standard deviation σ=14.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)