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.

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Definitions:

Descriptive Case Study

An in-depth investigation and description of a specific case within its real-life context.

Case Studies

Detailed examinations of a single instance or event, typically used to explore complex issues in real-life contexts.

Sensemaking

The process of making sense of or assigning meaning to complex phenomena based on one's experiences, beliefs, and knowledge.