Calculate a confidence interval for assuming that each sample is from a normal population. a. x-bar =
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a. x-bar = 24, σ = 3, n = 10, 90 percent confidence
b. x-bar = 125, σ = 8, n = 25, 99 percent confidence
c. x-bar = 12.5, σ = 1.2, n = 50, 95 percent confidence
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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