Problem N5633 probability theory confidence interval

Problem N5633 probability theory confidence interval

5633. x̅=1000, n=100, σ=40. Find the confidence interval for estimating with reliability γ=0.95 the unknown mathematical expectation m of a normally distributed feature Χ of the general population, if the general standard deviation is σ=40, the sample mean is x̅v=1000 and the sample size is n=100

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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