5532. x̅=12.4, n=100, σ=4. Find the confidence interval for estimating with reliability γ=0.99 the unknown mathematical expectation of a normally distributed feature X, if σ=4 is known, and according to a sample size of 100, x̅в=12.4 is calculated

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