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A 99% confidence interval estimate for a population mean  is determined to be 85.58 to 96.62. If...

A 99% confidence interval estimate for a population mean  is determined to be 85.58 to 96.62. If the confidence level is reduced to 90%, the confidence interval for  :

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A 99% confidence interval estimate for a population mean  is determined to be 85.58 to 96.62.

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