Problem N5521 probability theory confidence interval
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- x̅=60, n=256, σ=12 Find the confidence interval for estimating the mathematical expectation of a normal distribution with a reliability of 0.95, knowing the sample mean x̅=60, the sample size n=256, and the standard deviation σ=12.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)