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Problem N5415 probability theory confidence interval

Problem N5415 probability theory confidence interval

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Product description

  • x̅=18.81, n=16, σ=9. The standard deviation σ=9 of a normally distributed random variable X, sample mean x̅=18.81, sample size n=16 are given. 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)