1a. Construct the indicated confidence interval for the population mean u using the t-distribution. Assume the population is normally distributed.
c=0.95
x=12.6
s=3.0
n=5
(),() Round to one decimal place as needed.
1b.Construct the indicated confidence interval for the population mean u using the t-distribution. Assume the population is normally distributed.
c=0.99, x=12.4 s=0.73, n=18
(),() Round to one decimal place as needed.
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