SOLUTION: Finding x and E: A 90% confidence interval for a population mean is given as 29.9 < μ < 41.5. Round your answers to 1 decimal place. (a) Calculate the sample mean. x = (b)

Question 1146584: Finding x and E: A 90% confidence interval for a population mean is given as 29.9 < μ < 41.5. Round your answers to 1 decimal place.
(a) Calculate the sample mean.
x =
(b) Calculate the margin of error.
E =
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
the sample mean is in the middle of the interval or 35.7
the margin of error is half of the interval's width or 5.8
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