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Mathematics, 28.12.2019 06:31 jraemier5861

A95% confidence interval estimate for a population mean u is determined to be 75.38 to 86.52. if the confidence level is reduced to 90%, the confidence interval for u a. becomes wider b. remains the same c. becomes narrower d.. none of the above answers is correct

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A95% confidence interval estimate for a population mean u is determined to be 75.38 to 86.52. if the...
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