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.

Expert Answer

1) a) b) Page No. Data P=15% - 0.15 n=200 go%. Conf…View the full answer

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