Problem N5412 probability theory confidence interval
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- x̅=18.51, n=100, σ=7. Given the standard deviation σ=7 of a normally distributed random variable X, sample mean x̅=18.51, sample size n=100. Find confidence intervals for estimating the unknown mathematical expectation a with a given reliability γ=0.95.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)