SOLUTION: You measure 26 textbooks' weights, and find they have a mean weight of 44 ounces. Assume the population standard deviation is 9.7 ounces. Based on this, construct a 99% confidence
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Question 1193404: You measure 26 textbooks' weights, and find they have a mean weight of 44 ounces. Assume the population standard deviation is 9.7 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight.
Give your answers as decimals, to two places
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
99% half-interval is z(0.995)*sigma/ssart(n)
=2.576*9.7/sqrt(26)
=4.90
interval is (39.10 oz, 48.90 oz)
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