SOLUTION: Assume that a sample is used to estimate a population mean μ. Find the 99.5% confidence interval for a sample of size 33 with a mean of 57.1 and a standard deviation of 6.3. Enter

Algebra ->  Finance -> SOLUTION: Assume that a sample is used to estimate a population mean μ. Find the 99.5% confidence interval for a sample of size 33 with a mean of 57.1 and a standard deviation of 6.3. Enter      Log On


   

Question 1184880: Assume that a sample is used to estimate a population mean μ. Find the 99.5% confidence interval for a sample of size 33 with a mean of 57.1 and a standard deviation of 6.3. Enter your answer accurate to one decimal place.
I am 99.5% confident that the mean is between____ and blank.



Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
the half-interval is t(0.9975, df=32)*s/sqrt(n)
=3.015*6.3/sqrt(33)
=3.31
(53.80, 60.41)