Part 2 of 2 If the sample stze were n=47, would the confidence Interval be narrower or wider? The confidence interval would be (Choose one) narrower wider A sample of sizen=47 has sample mean x = 57.6 and sample standard devlation s=9.5. Part: 0/2 Part 1 of 2 Construct a 99.5% confidence Interval for the population mean u. Round the answers to one decimal place. A 99.5% confidence Interval for the population mean is

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A: Which distribution is used to construct an interval estimate of a population standard deviation?

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