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A 95% confidence interval for the population mean is constructed from a randomly selected sample and is found to be 10 4. Which of the

A 95% confidence interval for the population mean is constructed from a randomly selected sample and is found to be 10 4. Which of the following could be the 99% confidence interval for the population mean constructed from the same sample?

A) 10 3 B) 10 4 C) 10 5 D) Any of the above intervals could be the 99% confidence interval.

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