Question
A survey shows that 15% of nurses are being underpaid in a hospital that employs 200 nurses. (i) Construct a 90% confidence interval to represent
A survey shows that 15% of nurses are being underpaid in a hospital that employs 200 nurses.
(i) Construct a 90% confidence interval to represent the proportion of underpaid nurses in the hospital. Give an interpretation of this interval.
(ii) Suppose that in another hospital, 12% of the 120 nurses employed are underpaid. Construct a 90% confidence interval for the difference in proportions of nurses being underpaid at both hospitals.
Step by Step Solution
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1 a b Page No Data P15 015 n200 go Confidance Enterval for p P Za12x 2416 015 2005 0...
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Business Statistics
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
3rd Edition
978-0321944726, 321925831, 9780321944696, 321944720, 321944690, 978-0321925831
