5632. x̅=75.1, n=144, σ=12. 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=12, the sample mean in x̅v=75.1 and the sample size is n=144

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