A Local Health Center Noted That in a Sample of 400

question 45

Short Answer

A local health center noted that in a sample of 400 patients 80 were referred to them by the local hospital.
a.Provide a 95% confidence interval for all the patients who are referred to the health center by the hospital.
b.What size sample would be required to estimate the proportion of hospital referrals with a margin of error of 0.04 or less at 95% confidence?

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Definitions:

Developed Countries

Nations with high levels of economic productivity, advanced infrastructure, and higher standards of living.

Technology

The application of scientific knowledge for practical purposes, especially in industry, which can significantly influence productivity and economic growth.

Capital

Wealth in the form of money or other assets owned or used by a person or organization for a particular purpose such as investment in productive projects.

Foreign Exchange Reserve

Holdings of foreign currencies and precious metals by a country's central bank or monetary authority, used to back its liabilities and influence monetary policy.