From a telephone log, an executive finds that 36 of 128 incoming telephone calls last week lasted
Question:
(a) At α = .05, has the proportion of 5-minute phone calls declined by more than 10 percent?
(b) Find the p-value.
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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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