Question: Use the sample informationx x= 40, = 3, n = 13 to calculate the following confidence intervals for assuming the sample is from a normal
Use the sample informationx
x= 40,= 3,n= 13 to calculate the following confidence intervals forassuming the sample is from a normal population.
(a)90 percent confidence.(Round your answers to 4 decimal places.)
The 90% confidence interval is from ____to____
(b)95 percent confidence.(Round your answers to 4 decimal places.)
The 95% confidence interval is from ____to____
(c)99 percent confidence.(Round your answers to 4 decimal places.)
The 99% confidence interval is from ____to____
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