Question
A sample of size= n 80is drawn from a normal population whose standard deviation is=5.4. The sample mean is= x 49.03 (a) Construct a99.9% confidence
- A sample of size=n80is drawn from a normal population whose standard deviation is=5.4. The sample mean is=x 49.03
(a) Construct a99.9% confidence interval for. Round the answer to at least two decimal places.
b) If the population were not approximately normal, would the confidence interval constructed in part (a) be valid? Explain.
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Introductory Algebra Concepts And Graphs
Authors: Charles P McKeague
1st Edition
1630980110, 9781630980115
