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Mathematics, 24.07.2020 17:01 chairawks
1. 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. [4] (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. [4]
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1. A survey shows that 15% of nurses are being underpaid in a hospital that employs 200 nurses. (i)...
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