5557. x̅=119.5, n=18, σ=13. Given the standard deviation σ=13, the sample mean x̅в=119.5 and the sample size n=18 of a normally distributed feature of the general population. Find confidence intervals for estimating the general mean x̅g with a given reliability γ=0.99.

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