Problem N5418 probability theory confidence interval
Sold 0
Refunds 0
Good feedbacks 0
Bad feedbacks 0
5418. x̅=20.11, n=64, σ=6. Given the standard deviation σ=6 of a normally distributed random variable X, sample mean x̅=20.11, sample size n=64. Find confidence intervals for estimating the unknown mathematical expectation a with a given reliability γ=0.95.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)