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Problem N5517 probability theory confidence interval
5517. x̅=67, n=342, σ=29 Find the confidence interval for estimating the mathematical expectation of a normal distribution with a reliability of 0.990, knowing the sample mean 67, sample size 342, and standard deviation 29.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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