SOLUTION: You measure 47 textbooks' weights, and find they have a mean weight of 59 ounces. Assume the population standard deviation is 3.5 ounces. Based on this, construct a 99% confidence

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Question 1157903: You measure 47 textbooks' weights, and find they have a mean weight of 59 ounces. Assume the population standard deviation is 3.5 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight.
Give your answers as decimals, to two places

________ < μ < __________.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
half-interval is z(0.995)*sigma/sqrt(n)
=2.576*3.5/sqrt(47)
=1.315
(57.69 < mu > 60.32) units ounces