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Construct the indicated confidence interval for the population mean using (a) a t-distribution. (b) If you had incorrectly used a normal distribution, which interval would be wider?

c=0.99, x=14.8, s=4.0, n=5

(a) The 99% confidence interval using a t-distribution is ( ), ( ). Round to one decimal place as needed

(b) If you had incorrectly used a normal distribution, which interval would be wider?

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