National health insurance. An investigator at one of Japans 47 prefectures wants to know how many citizens
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National health insurance. An investigator at one of Japan’s 47 prefectures wants to know how many citizens are in the National Health Insurance system (Kokumin-
Kenkō-Hoken) or in the Employees’ Health Insurance system (Kenkō-Hoken). She chooses 17 citizens at random and finds that all 17 participate in the national system.
a) Check the assumptions and conditions for inference on proportions.
b) If conditions are met, find a 95% confidence interval for the true proportion of citizens participating in the National Health Insurance system. If conditions are not met, explain why.
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Related Book For
Business Statistics
ISBN: 9781292269313
4th Global Edition
Authors: Norean Sharpe, Richard De Veaux, Paul Velleman
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