Use the Following Sample Data to Answer the Next Questions

question 4

Essay

Use the following sample data to answer the next questions. Tracking
misdiagnoses by Emergency Room doctors, a sample of 200 patients revealed that
45 patients were misdiagnosed with indigestion instead of a heart attack. Use the
Sign test with a .05 significance level to test the claim that physicians correctly
diagnose a majority of heart attacks.
-State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.

---

Definitions:

Trade

The exchange of goods or services between entities or individuals, often conducted internationally or domestically to mutual benefit.

Coffee

A beverage made from the roasted and ground seeds of a coffee plant, consumed globally for its stimulating effect.

Comparative Advantage

The concept that a country, individual, or company produces a good or service at a lower opportunity cost than their competitors.

Trade

The exchange of goods or services between parties, which could be within an economy or between economies.